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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.
| 3251. |
Cos31+sin31/cos31-sin31=tan76 |
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| 3252. |
Cos^3pie/9+sin^3pie/18=3/4(cospie/9+sinpie/18 |
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| 3253. |
What is h.is |
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Answer» H is Heisenberg Nothing but it has very small value like 0.000000000000001 |
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| 3254. |
Sum of n terms of the series whose nth term is( n (square)-n+1) n! |
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| 3255. |
Solved questions on 1st principal of differenciation |
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| 3256. |
Find the sum to n terms of the series :5+11+19+29+41........ |
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| 3257. |
Please upload solutions of supplementary exercise as soon as possible |
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| 3258. |
What is the value of tan pi/8 |
| Answer» root2--1 . | |
| 3259. |
Explain the relation between the log ,ln,e |
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| 3260. |
Using binomial theorem prove that 3^(2n+2)-8n-9 is divisible by 64 |
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| 3261. |
Half yearly solution 2018 |
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| 3262. |
Why ex 10.4 supplementary solutions are not added |
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| 3263. |
Sin(x+y)/sin(x-y)=tanx+tany/tanx-tany prove that |
| Answer» sin(x+y)=sinx.cosy+cosx.siny. sin(x-y)=sinx.cosy-cosx.siny. sin(x+y)/sin(x-y)={sinx.cosy+cosx.siny}/{sinx.cosy-cosx.siny}. divide each term by cosx.cosy. :it becomes tanx+tany/tanx-tany | |
| 3264. |
Who is doing preparation please tell of iit |
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| 3265. |
If cos a = (cos u -e)/(1-ecos u)Then prove thatTan a /2 ={√(t+e)/(1-e)}*tan u/2 |
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| 3266. |
Derivative of e^sin(x) by first principal |
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| 3267. |
Ch 9 |
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Answer» Ayushi ji kaha rahti hai love you Sequence and series which is easy not very tough. Ch 9 is seq. And series |
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| 3268. |
Sin5x= prove that |
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Answer» Sory my friends Break the sin( 3x+2x) and use the identity of sin(A+B) Shreya singh ji ye log khali time pass karte hain What is to prove? Sin 5x= ? |
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| 3269. |
Find r if coefficient of (2r+1) and (r+2)th term in expansion of (1+x) raised to power 43 are equal. |
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| 3270. |
Given a gp with a 729 and 7th term 64 determine s.... |
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Answer» Put r=2/3 and a=729 in s7 Ar6=64729r6=64R6=64/729R=2/3 |
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| 3271. |
In the figure, AB parallel to CD. find the value of x |
| Answer» Pura question to likho | |
| 3272. |
The focus of the parabola x, square -8x+ 2y +7=0 is ? |
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| 3273. |
X to powr sin inverse x whats the d/dx |
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| 3274. |
If y=1+x+x²+........ ,Then find x |
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Answer» Y=1/1-x and x=1 y(1-x)=1 y-yx=1y=yxx=1 Google pr search kr answer aa jayrga? Sum to infinity terms of g. P a/1-r1/1-x solving we get answer Plzz koi solve krdo |
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| 3275. |
Divide ₹150 into two parts such that the ratio of the parts be 7:8. |
| Answer» 150-x/x=7:87x=1200-8x15x=1200X=1200/15=80Henceforth two parts are 70 and 80 | |
| 3276. |
If f(x)=x-1/x+1 then show that(a)f(1/x)=-f(x) (b)f(-1/x)=-i/f(x) (c)f(10).f(1/23)=-3/4 |
| Answer» This question can be solved by putting the needed value in place of x in f(x)=x-1/x+1 | |
| 3277. |
What is G.P AND A.P |
| Answer» Gp is geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio. For example, the sequence 2, 6, 18, 54, ... is a geometric progression with common ratio 3Ap arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. Difference here means the second minus the first. For instance, the sequence 5, 7, 9, 11, 13, 15.. . is an arithmetic progression with common difference of 2 | |
| 3278. |
If first three terms in the expansion of (a+b) are 27,54 and 36 ,then find a, b and n |
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| 3279. |
Can I get answer key of maths paper class 11 of mid term exam |
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Answer» Na... Na... na...na....na......... Not possible in this app |
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| 3280. |
Prove that. cosA/(1-sinA) =tan((pi/4)+A/2) |
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| 3281. |
what value of theta if sin theta is equal to root 2 |
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Answer» Sin theta is not equal to root 2 Sorry it is -1 This is invalid that sin theta is greater than 1or smaller than 1- |
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| 3282. |
Insert 5 numbers bw 8 & 26 such that the resulting sequence is an ap |
| Answer» 8,11,14,17,20,23,26 | |
| 3283. |
Show that the square of any positive odd integer is of the Form 8 M + 1 for some integer m |
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| 3284. |
What is 19×666666 |
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Answer» Ya that\'s true.there is no calculator in phone i think so. There is no shame in asking such question Right.. I\'m agree with you Don\'t take it in wrong way Its Ok ??... questions can be of any level ..that doesn\'t mean he/she should have shame on it...we can\'t judge other person mentality..... Don\'t mind but if u r intelligent, that doesn\'t mean he/she would also be.... It\'s answer is12666654LolShame on you Not able to answer |
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| 3285. |
22 se kiska kiska paper ha |
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| 3286. |
sin(150+x)+sin(150-x)=cosx |
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| 3287. |
Find the value of x√X+3√x-3=6 |
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| 3288. |
537736-8374 |
| Answer» 529362 | |
| 3289. |
Guys can you tell me your marks in each subject ?so i can identify myself how am I in studies. |
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Answer» Itne logo ke samne apne number mujh jaise log to bilkul nhii bayegee?? Ab aap bhi bta do Physics -48/70Chemistry-55/70Maths 60/70Economics -68/75English- 57/70 Pahle tum to batao |
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| 3290. |
Prove that 2tan70=tan80-tan10 |
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| 3291. |
How to find excenter of a triangle using coordinates? |
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| 3292. |
|2/x--4|>1 |
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| 3293. |
Ex 12.1class 10 |
| Answer» To hum kya kare.....??? | |
| 3294. |
Which chapter is the most important for the 12th board cbse exam, for the best marks...? |
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Answer» Ek important chapter se best marks to kya.....pass bhi nhi hoga.....? Bhai saare hai .... |
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| 3295. |
Derivative tan√x |
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| 3296. |
If n n C + C a bThen what will be value of n=? |
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| 3297. |
Evaluat!v cm all äàčb bna bna bàbč ask |
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| 3298. |
Find the 12th term of G.P. whose 8th term is 192 and the common ratio is 2. |
| Answer» a8= 192 Common ratio = 2Than use formula of of an th term of gp WhereA=?r=2n=8An=192Than solve it and we get the value of A= 1.5Than use formula of an th term of gp Where A=1.5 r=2 n= 12 than solve it you get the value of 12th term= 3072 | |
| 3299. |
Find the sum to infinity of the G.P.-5/4 , 5/6 , -5/64...... |
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Answer» Please will you explain why? It is not possible |
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| 3300. |
If x,y,z be the pth, qth & rth terms of a GP ., Show that (q-r)logx+(r-p)logy+(p-q)logz=0 |
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