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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.
| 4351. |
Solve:tan2^x+sec^2x=3 |
| Answer» Tan^2x+1+tan^2x=3 by sec^2x=1+tan^2x2tan^2x+1=32tan^2x=2tan^2x=1tan^2x=tan^2 45°On comparingx=45° | |
| 4352. |
If x+iy=(a+i)/(a-i) than prove that ay-1=x |
| Answer» Rationalise it and after it,we\'ll get a^2 -1+2ai/a^2 +1 and we can write it as a^2 -1/a^2 +1 ➕2ai/a^2 +1 and after comparing X=a^2 -1/a^2+1 and yi = 2ai/a^2 +1 ,,,, after getting values fill it in ay-1=X and get your answer...? | |
| 4353. |
cbse class tenth kaa rsult kab ayea |
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Answer» 31 may ko 30th may May be 30 may 28th may 30 may ko |
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| 4354. |
When will we get the 10th results??? |
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Answer» Thanks on 30 may not on 28 No 28 may 30 may |
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| 4355. |
Class 10 ka result kab aega |
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Answer» Definately30 may ko saayad 30 ko |
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| 4356. |
¡_1÷cos30°+sin60° |
| Answer» 2√3÷2 | |
| 4357. |
Find domains. .x2 +y2 =25 |
| Answer» | |
| 4358. |
A relation R in set A, defined as R {(x,y) x2+y2=25 }. Find R also find domain |
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Answer» Domain is in function chap. And where are u studying Domain is in which chapter ??? |
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| 4359. |
What is the value of ita power ita according to ch 5 complex no. Fully explained ? |
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Answer» Value of ita is √-1 i=e^(i*π/2)i^i= [e^{i*π/2}]^i=e^{-π/2}. =0.20789...... |
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| 4360. |
The value of f in maths board paper was 18 am i right |
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Answer» The missing frequency F means what , can anybody tell me ?? Thanks your friend Yes |
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| 4361. |
10th ki result date kya h? |
| Answer» 30 May | |
| 4362. |
Is Any PCM Student here ?? |
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Answer» yes me Yes Yes Yes ......me I m pcmb yes |
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| 4363. |
Is relations and function difficult to study |
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Answer» It is in both 11and 12 No..... but a little confusing |
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| 4364. |
Write the set {1/2,2/3,3/4,4/5,5/6,6/7} in set builder form |
| Answer» {X:x€R,x=n\\n+1,n={1,2,3,4,5,6} | |
| 4365. |
If a,b,c and d are in H.P then what condition exists |
| Answer» | |
| 4366. |
Find the domain and range of f(x)=-x and f(x)=in root y^2-9 |
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Answer» Yes it is?? f (x)=|-x|Domain=all real no.Range=all positive real no.or[0, infinity) It\'s |-x| not -x. |
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| 4367. |
3x-7>2(x-6),6-x>11-2x |
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| 4368. |
Bracket X + 1 close bracket ki power binomial theorem |
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Answer» Thanks Root 26 by binomial theorem |
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| 4369. |
What is set? |
| Answer» Set is collection of objects | |
| 4370. |
_sin{660} answer |
| Answer» Root 3/2 | |
| 4371. |
Express the foll. Into a+ib form :: 5+root 2i / 1-root 2i |
| Answer» | |
| 4372. |
Who gave the theory of Seta |
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Answer» bhul gaye mujhe u re busy hlovishal Its SETS, not seta |
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| 4373. |
Numer |
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| 4374. |
Derivative of xxx with respect to xx |
| Answer» | |
| 4375. |
What is the value of sin 75 degree |
| Answer» Root3 +1/2root2 | |
| 4376. |
prove that tan20°.tan40°.tan60°.tan80°=3 |
| Answer» tan20*tan40*tan60*tan80 can be written as, tan(20)*tan(60-20)*tan(60+20)*tan(60)LHS =tan(3×20)*tan(60)[Using the formula, tan(x)*tan(60-x)*tan(60+x) = tan(3x)] =tan(60)*tan(60) =sq.root(3)* sq.root(3) =3 | |
| 4377. |
Prove that (cosA+sinB)2=4cos2 A-B |
| Answer» &×**#*÷*÷*÷*,÷&#&&#&#&#**#*#*×//×/×/×_€×£÷£##:"×_×€÷£¥÷; $;:@:/+€×*÷ | |
| 4378. |
Cos20\' cos40\' cos60\' cos80\' =1/16. Express as an algebraic sum of sines and cosines |
| Answer» | |
| 4379. |
What is the formula of logbasea m |
| Answer» | |
| 4380. |
Tanπ/8 |
| Answer» Use tan(x/2) formula and x=45 which gives ans (root2 -1) | |
| 4381. |
Cube roots of complex numbers |
| Answer» | |
| 4382. |
Is Allen good Institute for neet, i want to take admission there |
| Answer» Yes but aakash is better than that | |
| 4383. |
If I distribute 0 apple to 0 student , then how many apple / apples each student will get ? |
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Answer» 0 Obviously 0 0 0/0 |
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| 4384. |
If 5sinx=3 then secx+tanx/secx-tanx= |
| Answer» sin x = 3/5 ...now u can do it | |
| 4385. |
Solve limx->0 x(cosx +cos2x)/sinx |
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| 4386. |
provide supplementary material exercises solutions |
| Answer» | |
| 4387. |
FInd the sum of 10^3+11^3........+20^3 |
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| 4388. |
1+1/(1+2)+1/(1+2+3)+ ........+1/(1+2+3+....n)=2n/(n+1)Prove it using pmi |
| Answer» | |
| 4389. |
Who made numbers |
| Answer» Leonardo Pisano Bigollo | |
| 4390. |
Who made math |
| Answer» | |
| 4391. |
How many hours are sufficient to revise PMI, sets and 3D geometry?? plz tell |
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Answer» Only 2:00 hr Jjj |
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| 4392. |
What is differentialExplain |
| Answer» u mean differentiation??It is the slope of tangent to any point on grph of a function ....when the tangent is not exactly the tangent but the line join two points on the graph the distance between whom "Tends to zero"...I am not completely sure but this is what I understood | |
| 4393. |
Please help me in proving 1! = 0! |
| Answer» 1!=1And by definition 0!=1 so 1!=0! | |
| 4394. |
चैप्टर 3 एक्सरसाइज 3.2 |
| Answer» | |
| 4395. |
Chapter 3 exercise 3 2 sum no |
| Answer» | |
| 4396. |
how to find theta in polar form |
| Answer» | |
| 4397. |
345+456 |
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Answer» 801 801 |
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| 4398. |
-2 and 5 are zeroes of a polynomial how many quadratic equation can be formed |
| Answer» Take these zeros as alpha and beta then find addition and product ,put this in quadatic eq. | |
| 4399. |
U={x: x is positive integer less than 1000 and divisible by 7} , n(U) =? |
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| 4400. |
I99 |
| Answer» | |