Saved Bookmarks
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.
| 3001. |
Y=(xsquare+4x+1)(√3) |
| Answer» | |
| 3002. |
Using binomial theorem prove 6^n-5n-1 is divisible by 25 |
| Answer» Ncert ,page no. 166. Ex -4. I think you understsnd . | |
| 3003. |
Sinx+cosy- g |
| Answer» | |
| 3004. |
Show that the line x+1=0 is the tangent of hyperbole 4x2 -3y2=4 . |
| Answer» | |
| 3005. |
Would u guys like to tell ur 11 experience wid rd sharma? |
|
Answer» R d sharma questions are good. But not solutions i would say.i use to solve exercise example and ncert exemplar questions which are marked in it. It is realy a good book and it is not possible to do whole book for me.... i am using rd sharma from 9 Yeah!!! I have also heard alot about R.D. Sharma even I had used it in 9th and 10th. But!!! In 11th , I never bothered to buy that Ramayana size book ?..... ???????????? Good Kaafi jayada question de Rekha ha, aur bhut kuch outside the syllabus me se bhi ha, ncert ke bhi kaafi question cover kare hua ha, nice book but insane to solve Of course......mainey toh book ka size dekhkar e reject kr diya usey........suna bhot hai uskey baarey mein......lekin......kabhi try nai kiya.....mujhey ncert aur apney teacher ka padhaya hua e sufficient lagta hai.....??? Initially,.. quantity of question dekh k hi hallat kharab but one day I made my mind and solved more than 50-60 questions..after that I really like it..?? Nice experience after solving rd Sharma |
|
| 3006. |
Support material on exercise 10 |
| Answer» | |
| 3007. |
vertices(7,0) e=4/5 find equation of hyperbola |
| Answer» First value of a=7,16/25=1+b×b/49,b×b/49=-9/25,b=-21/5,hence the equation is x²/49-25y²/441=-1 | |
| 3008. |
Find the general solution of sin3x+cos2x...??? |
| Answer» | |
| 3009. |
What is structure of writing the problems of parabola |
| Answer» | |
| 3010. |
The polygon in which no. of diagonals is twice the no. of sides is ................. |
|
Answer» Heptagon ??? ?? Can u please tell the question is related to which chapter |
|
| 3011. |
What is siffrence vetwwen symetric and reflex |
| Answer» | |
| 3012. |
Xcos4x+cos3x+cos2x=sin4x+sin3x+sin2x solve this question please |
| Answer» | |
| 3013. |
(23+13)-0+333(-789+799) |
|
Answer» (23 + 13) - 0 + 333 (-789 + 799)= (23 + 13) - 0 + 333 (10)= 36 + 3330= 3366 -297 |
|
| 3014. |
What is the probability that two friends have same birthday? |
| Answer» 1/365 is the very correct answer..............For knowing the birthday of both the friends on same day, we need to multiply the probabilities, i.e., (365/365)×(1/365) | |
| 3015. |
Find Derivative : x⅞.cos⅝x.sin¼x(Hint: 2/8 can be written as ¼) |
| Answer» | |
| 3016. |
Differentiate sin x^5 |
|
Answer» Grt but x pwr 5 Answer:dydx=cos(x5)⋅5x4Explanation:y=sinx5Using the\xa0chain rule:If\xa0y=y(u)\xa0and\xa0u=u(x)\xa0then,\xa0dydx=(dydu)⋅(dudx)y=sinudydx=cosuu=x5dudx=5x4Therefore,dydx=(dydu)⋅(dudx)dydx=cosu⋅5x4Substitute\xa0u\xa0back in and rearrange:dydx=cos(x5)⋅5x4 |
|
| 3017. |
Lim= (x+2) (x²+4x+4)/(x+2) x-2 |
| Answer» = lim x→–2(x+2).(x+2)²/(x+2)(x–2)= lim x→–2(x+2)²/(x–2)=(–2+2)²/(–2–2)=0/–4=0 | |
| 3018. |
(2x, x+y)=(6,2) |
| Answer» ( 2*3, 3+(-1))=(6,2)On comparing, x=3,y=-1 | |
| 3019. |
√1-|x| ÷2-|x| |
| Answer» | |
| 3020. |
Diffrentiate (2x+3)(3x-5) |
|
Answer» 15x + 13 12x–1 is the very correct answer sorry its 12x-1 19 6 |
|
| 3021. |
What result of 0/0 |
|
Answer» Its indeterminent form...0/0 can be written as =100–100/100–100=(10)²–(10)²/10(10–10)=(10+10)(10-10)/10(10–10)→{a²–b² = (a+b)(a–b)}=10+10/10=20/10=2 0/0= 2 Yaa its undefined It\'s undefined. But Ramanujan Sir told it\'s 1. Yah.. not defined...It is indeterminent form Not defined.... |
|
| 3022. |
Derivative of x+1÷x using first principle |
| Answer» f(x)= x+1 / x f(x+h)= (x+h) +1/(x+h)By definition of first principal : lim h tends to 0 : f (x+h) -f(x) /h (x+h+1/x+h - x+1/h )/h ( xh+ h2 +h -x2 -hx -x -h /(x+h)h)/h | |
| 3023. |
Find three numbers in A.P. whose sum is 21 and product is 315 |
|
Answer» Nice answer Nice a-d,a,a+da-d+a+a+d=213a=21a=7product=a-d*a*a+=315multiply them u will get value of d=2subsitute the value in a-d,a,a+dnumbers are 5,7,9 Let the number be (a-d), a, (a+d)(a-d)+a+(a+d)=21a-d+a+a+d=213a=21a=7(a-d)×a×(a+d)=231(a²-d²)×7=231a²-d²=337²-d²=3349-d²=33d²=49-33d²=16d=4Numbers = 3,7,11 |
|
| 3024. |
Find the equation of the ellipse whose foci are (2,3) and (-2,3) and whose semi minor axis is √5 |
| Answer» (x - 0)^2 / 9 + (y - 3)^2 / 5 =1......Hope it helps | |
| 3025. |
Find the equation of the parabola whose focus is (4,-3) and whose vertex is (4,1) |
|
Answer» The answer is x square - 8 x + 16 y = 0 First draw the diagram |
|
| 3026. |
5sin-1x+cos-1x=π |
| Answer» | |
| 3027. |
If tanbeta = n sinalpha . Cosalpha/1- n sinsquarealpha |
| Answer» | |
| 3028. |
What is slope of line? |
|
Answer» Inclination of a line w.r.t +ve direction of x axis... slope of the line is the tangent of the angle made by the line with the positive x-axis in anti clockwise direction Y2-yi upon x2-xi |
|
| 3029. |
find value of cos60 cos20 cos10 cos30 |
| Answer» 120 | |
| 3030. |
Equation |
| Answer» | |
| 3031. |
Derivative of sin square x |
|
Answer» -sin2x 2sinx(-cosx) Sin²xd/dxSinxSinx(Sinx)\'Sinx+Sinx(Sinx)\'CosxSinx+CosxSinx2sinxcosxsin2x 2cos x |
|
| 3032. |
What Is slope intercept form? |
| Answer» y=mx+c | |
| 3033. |
If you could is 2y and the equation of the circle 2 x minus y |
| Answer» | |
| 3034. |
Two coins a one rupee coins a two Rupee coins are tossed once find a sample space |
|
Answer» Possible combination when two coin are tossed COIN1- H,H,T,TCOIN2-H,T,H,THence , sample space is{ (H,H),(H,T),(T,H),(T,T)}... ?? Ghjj |
|
| 3035. |
Find modules and amplitude of complex number z=1-i |
| Answer» 0 | |
| 3036. |
Class 7th 9.1 |
|
Answer» ???? ?? Class 7th 9.1 |
|
| 3037. |
Please someone tell me that what will be the sample space when a coin is tossed 4times? |
|
Answer» Thnx avneet {TTTT,TTTH, TTHT, THTT, HTTT,TTHH, THTH, HTHT, HHTT, THHT, HTTH,THHH, HTHH, HHTH, HHHT,HHHH} |
|
| 3038. |
8 coins thrown simultaneously. Find the probability of getting atleast 6 heads |
| Answer» | |
| 3039. |
Find equation of circle which touches the axes and whose center lies on x-2y=3 |
| Answer» | |
| 3040. |
Domain and range of modulus function |
| Answer» Domain is all real numbersRange is 0 and all positive real numbers | |
| 3041. |
Parabloa formula |
|
Answer» y square =4ax x² =4ay |
|
| 3042. |
Sec5x-sec3x |
| Answer» | |
| 3043. |
Difine universal set |
|
Answer» the set containing all objects or elements and of which all other sets are subsets the set containing all objects or elements and of which all other sets are subsets. All the set comes within universal sets this set is combination of all sets? |
|
| 3044. |
Limx--0 xtanx/1-cos4x |
|
Answer» 1/8 1/2 xtan4x / 1-cos4x i get answer |
|
| 3045. |
Limx-0 (1-cos2x)/(cos2x-cos8x) |
|
Answer» 1/15 1/15 its 1/1 |
|
| 3046. |
How many lines drawn from one point |
|
Answer» Infinite Infinite Infinite its infinte Infinite Infinite |
|
| 3047. |
In a ∆ABC , if cosA = sinB - cosC , show that it is a right-angled triangle |
| Answer» | |
| 3048. |
Evaluate limit , lim x approaches to a cos x -cos a/ x power 3/2 - a power 3/2. |
|
Answer» Haa limit find karna h Kya yaha pe limit find out karna hai?? Nice question...I will definitely try once... |
|
| 3049. |
Special cases of an ellipse???? |
|
Answer» Your welcome ✌✌✌ ??thanku..? A Circle is an Ellipse. In fact a Circle is an Ellipse, where both foci are at the same point (the center). In other words, a circle is a "special case" of an ellipse. Ellipses Rule!????????? |
|
| 3050. |
If AUB=AnB then show that A=B |
| Answer» Md MUKAMMAL | |