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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 2051. |
Solve for X where X^2+5=0 |
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Answer» X=√5i x^2+5=0x^2=-5x=√-5x=5i (where, i=√-1) It is not possible as hereX^2=-5And square of any no. can not be negative |
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| 2052. |
Find the domain and range of the greatest integer??? |
| Answer» The greatest integer function is\xa0defined\xa0for all real numbers. Hence, as per its\xa0definition, its domain is the set of real numbers.⌊x⌋=n, x∈[n,n+1)where\xa0n∈Z. The function is defined everywhere. Hence, the domain is\xa0x∈R.The range is,\xa0as per the definition, the set of all integers:\xa0⌊x⌋∈Z.\xa0 | |
| 2053. |
If F(3x+2y , 2x+3y) = xy then find F(a,b) and hence F(x,y) ????? |
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| 2054. |
a1=1 an=an-1 +2 for n>2 |
| Answer» I think yes | |
| 2055. |
(x^2/2 - 2/x^2) ^8 |
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| 2056. |
Tan20°tan40°tan80°=tan60°how to slove it? |
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Answer» No it is in 11th Babes it is in 11 Use identity tan A . Tan(60-A).tan(60+A) Its class 10 problems..Kanchi? |
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| 2057. |
Value of Cos 855 |
| Answer» Cos 855Cos( 5.180 - 45 )\xa0-cos (- 45)-1/2(sq.root)Since Cos 855 is in second quadrant .Therefore,Cos is negative . | |
| 2058. |
( 242 -472) |
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Answer» -230 yaaaaa -230 |
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| 2059. |
If sin x / cos x = tan x , then could it be range of sin /range of cos = range of tan |
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Answer» Wow !!!!!!!! Do u don\'t make me ur friend Yeh kya ans hue??? Honey bhai ye..aap ho Oooooo.................. Bbbye✋✋? Sweet DREAMS Kal milna sb fir..ok Tc sd mtlb... Ya im fine now...? Bbye gd n8 tc sd Thnks for saying sweet girl..☺ my dear best sweetest friend ?☺??? Ok...bye always live happy....... Bbye aditi get well soon Thanks....ok bye Honey & Ayush????☺ gd Night take care bye... Galt bol diya ho toh sorry Kya hua My fb id is (Tidal vishwa) photo of audi car. Offoo...honey And i m from u.p I know sweet girl Hmmm yaar i m well And me in Jamshedpur? Ayush r u all right????? Ha yhi rehta hoon Honey tum bokaro mai rehte ho ? Mai chata hu meri friend jaha bhi waha humesha kush rehe kuch na ho usee Acha Honey &Ayush Gd N8 Sd Tc...okkhayal rakhna apna apna???? Aditi ji id bata dijiye na Yrr mujhe bhi yaad aa gyi....apne Friends ki?? Bss tera naam se kisi ka yaad aa gaya tha.... Kuch ni???? Kuch nhi bs apna past ko yaad kr rha tha Mtlb Oyee....Ayush & Honey Kya hua....? Koi ni bro Srry ???????? Chal tik hai Ni bhai purana yaad phir se meko thod dega Suna bhai apni kahani Kon aditi Bhai aditi mt bol bahut dard hota hai ... bahut purana rishta tha ussse Ki hua Bol bhai Kaha gyi aditi aur ayush Id bataiye Angle mtlb bhoot or pari hota hai Sahi hai...... Itna pagal samjha hai kya tum usse Lever Ayush....100 saal se sceintist ka pramanik ayurvedic cream? Honey aur kon Leave it na , aap id batane wali thi Toh phir medicines kon likh ke khane ko bol raha hai honey u or ayush? Pagal ho Dono nhi Ur Engineer or Doctor??? Poochiye Ohh honey ek baat puchoo?? Achha leave this topic aur boliye sb log kya kya pdh liye 5 action relief , bhai khane se sirf sar dard nhi hattta Crocin sar dard ka hai Abhi kaisa hai crocin advance kha lo ya paracetamol , Physics me kon sa chapter padh rhi ho tum Three equations of motion hai? Batayengi Halka...fever... aur aaj physics teacher ne mujhe suna dii...? Ok mujhe laga tum bura maan li hogi. Thik hi hun..?? Kya hua aapko Kya bole?? Nhi bhai kuch apne glt nhi bola...aur apki pyari sister n aise baato se mind nhi karti hai..? Aur bolo sb log Hii bolo sister kaise ho sorry for yesterday kuch glt bol diye ho toh really very very sorry.. Hi ayush Brother Hmmmm Ayush ye yes mere ques k liye tha & studying physics... Tumse baat Yes Shi hai boss , aur kya kr rhi ho Tik tak(thik thak) Fyn and u How r u Hi Hello Honey ? All is Well ? |
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| 2060. |
If sin theta = -1/√2 , find the value of theta. |
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Answer» sin-1(-1/√2) 225° |
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| 2061. |
Cot3x(sin5x-cos3x)=cotx(sinx-cosx) |
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| 2062. |
How many chords can be drawn from 12 points in a circle |
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Answer» Number of points = 21Hence n = 21A chord connects circle at 2 pointsHence, r = 2Number of chord from 21 points = nCr = 21C2= 21!/2!(21−2)= 21!/(2! 19! )= (21 × 20 × 19!)/((2 × 1) × 19!)= (21 × 20)/(2 ) = 210 chords. Ans: 12C2 = 66 chords. |
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| 2063. |
Cot¢ /2 - 3cot 3¢/2 |
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| 2064. |
Find the GP in the common ratio of GPS 3 nsm is 486 and sum of first n terms is 728 |
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| 2065. |
the find value of a+bω+cωSqure/aωsqure+b+cω |
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| 2066. |
Prove sinπ\\6cosπ\\6=√3/4 |
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| 2067. |
Chapter 3 supplementary material exercise solution |
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| 2068. |
MCQ in all chapter |
| Answer» Go through the book of RD Sharma | |
| 2069. |
Hii Anchal . Solve this- |x+1| +|x|>3 |
| Answer» x<2,x>1 | |
| 2070. |
bc cos A + ca cos B + ab cos C = 1/2(a^2+b^ 2+c^ 2 |
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| 2071. |
Solve cos4x |
| Answer» Cos2(2x) cos 2x | |
| 2072. |
Convert 15degree 15min 30sec into radian measure |
| Answer» 168/1800 radian | |
| 2073. |
4 cos theta - 3 sin theta is equal to 4 |
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| 2074. |
y=x^2+2x-11 / 2(x-3) |
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| 2075. |
Sin(B-C)/Sin(B+C)=b×b-c×c/a×a |
| Answer» | |
| 2076. |
Tan3xtan2xtanx=tan3x-tan2x-tanx show that |
| Answer» From 3x = 2x + xApplying tan on both sides..tan3x = tan (2x+x)tan3x = (tan2x+tanx)/1-tan2x tanx(1-tan2x tanx)tan3x = tan2x+tanxtan3x - tanx tan2x tan3x = tan2x+tanxtanx tan2x tan3x = tan3x-tan2x-tanxHence it is proved. | |
| 2077. |
x/4 |
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| 2078. |
Evaluate : i + 1/i |
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Answer» i +1/i= i + i^4/i= i+ i^3= i -i=0 Sahi hai na... Thanks broooo Ni toh 2i/-1 hoga.. Are yaar jzb hai tum L.c.m lo How it become 0 Zero hoga... |
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| 2079. |
What is the definition of real number (R)? |
| Answer» Those no. Which start from positive natural no.. | |
| 2080. |
Sin 18 find valu |
| Answer» | |
| 2081. |
Plss ch3 kae sare important formulae bhej do bhai / bahean... |
| Answer» All the formulas in the summary r important. Well mostly v useTan(x+y)Tan(x-y)Cot(x-y),(x+y)Cos(x+y), (x-y) same with sinAnd the last 5 formulas r important for the ladt exerciseU take a look of cosx+ cosy types also | |
| 2082. |
Convert the complex numberz=i-1/cosπ/3+isinπ/3 into polar form? |
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| 2083. |
Convert the complex number z=i-1/cosπ/3+isinπ/3 |
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| 2084. |
if the sum of 10 terms of an A.P is 50 and sum of 50 terms is 10. Find the sum of its 60 terms. |
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| 2085. |
x2+x+1=0 solve chapter name quadratic equations.... |
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Answer» since D<0 it has no real roots! |
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| 2086. |
How many 3 digit no can be formed by using the digits 1to9if no digit is repeated |
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Answer» 9•8•7=504 123,456,789 129 Koi ni banega 000 |
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| 2087. |
Find the 15th terms of the sequence, ruat2, 8,18,32.............. |
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| 2088. |
tandita + secdit=cisdita |
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| 2089. |
Find the coefficients of x10 in the expansion of (2x2-3÷x)11 |
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| 2090. |
Sin4 theta/sin^2alpha +cos4 theta/cos^2alpha =1Find,Sin4alpha/sin^2theta +cos 4alpha/cos ^2theta =? |
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| 2091. |
Value of e |
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| 2092. |
What is the value of i^i ? |
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Answer» Approximately 0.20788 -1 |
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| 2093. |
Tan75°-cot75°= |
| Answer» 2 root 3 | |
| 2094. |
A horse |
| Answer» Yeaaaaaa i am gonna take my horse to the old town road and gonna ride till i can\'t no more........ | |
| 2095. |
using binomal theorem , prove that 6_5n always leaveas remainder 2 when divided by 22 |
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| 2096. |
2 cos square x + 3 sin x is equal to zero |
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| 2097. |
Happy frndship day..?????? |
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| 2098. |
Example 31 of chapter 1- SETS ncert page no. 25 |
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Answer» Bhai when we to prove questions like this we don\'t take any example like u doing first let A= and so on Simple hai .We have to prove that p(A intersection b)=p(a) intersection p(b).Let A =1,2,3 and B=3,4,5 then x is a number which belongs to both A and b then ,If we take the intersection of p and b then common element is (3) and if we take the intersection of p(A) and p(b) then here also common element is 3 which belongs to both set A and B. |
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| 2099. |
Sin^8x-cos ^8x=(sin ^2x-cos ^x) (1-2sin^2cos^x)? |
| Answer» Change (cos x^2)3-(cosx^2)3 | |
| 2100. |
Find the domain and range of the following real functions first f x equals to minus Mod x |
| Answer» Domain- Rand Range- -R(negative real no) | |