Recently Active Mathematics Questions

This is an EAMCET ques.........help me *Image* ...

Q4 If the normal at the point P(θ) to the ellipse x2/14+y2/5=1 intersects it again at the point Q(2θ), then cosθ= SUM1 PLZ FIND THE ERROR IN MY METHOD PLZZZZ...... @ IS ASSUMED AS θ the 1st Eqn. is that of normal at point ...

how many rectangles r possible in a chess board ...

In triangle ABC if EULER Line (line joinin orthocent, centroid, circumcent) is parallel to line BC find the value of tan(B)*tan(C)???? ...

1. If N= 2+22+222+.... upto 30000 terms then find (a) last three digits of N (b)last four digits of N (c)last digit of N 2. (2)(2) + (4)(4) +(7)(8) +(11)(16) + (16)(32) + .......... Find the sum to n terms of the series 3. Su ...

let S1,S2.... be squares such that for each n>or=1, the length of a side of Sn equals the length of a diagonal of Sn+1 . If the length of a side of S1 is 10cm , then for which of the following values of n is the area of sn ...

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y2=P(x) which is a polynomial of degree 3 then 2(d/dy (y3 * d2y/dx2) ) equals..... ...

*Image* answer: a plz solve...just dont giv d answer,,, ...

1)In a certain test, there are n questions .In the test 2n-1 students gave wrong answers to atleast i questions, where i=1,2,3,....n. If the total number of wrong answers given is 2047, then find the value of n. 2)A person go ...

I f(x) nd g(x) have noo derivative at x=a,then f(x)+g(x) may have a derivative at x=a. plz explain dis........ ...

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If A,B,C are acute positive angles such that A+B+C=Πand cot A cot B cot C=k,then a) k≤1/3√3 b) k≥1/3√3 c) k<1/9 d) k>1/3 The ans is a..... but please can ny 1 giv a proper method 4 dis.... ...

integration a.secx + b.cosecx dx sinx + cosx limits 0 to pi/2 awkwardly enuf i am getting 0 [11] ...

Q What is the solution for the differential equation ydx+(x+x2y)dy=0 ? ...

*Image* plz solve............... ...

Prove the following:(for a2<1) π a)∫ln(1-2acosθ+a2)dθ= 0 is a<1 & 2πlna if a>1 0 π b)∫ln(1-2acosθ+a2)cosnθdθ= -(π.an)/n 0 ...

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Two distinct, real, infinite GP each have a sum to infinite no of terms=1 and have common second term and of the series have 1/8 as their third term. If the second term of both the GPs can be written in the form ( m - n)/p wh ...

pls ans dis ques A man has to take 9 steps. he can move in 4 directions left, right, forward, backward. 1. in how many ways he can move 9 steps?? 2. in how many ways he can move 9 steps such that he has to take steps in all d ...

BY FIRST PRINCIPAL PLZ>......... cos-x2 cos-(e√tanx) ...

If 0∫x f(t)dt = x + x∫1 t f(t)dt , Find f(1). I am getting two answers for this!! Pls. try it & explain!! ...

THIS IS THE THREAD IN WHICH I AM POSTING ALL THOSE MATHS QUESTIONS OF WHICH I COULD NOT GET A CONVINCING SOLUTION BY MYSELF OR OTHERS AND I REQUEST ALL TARGETIITIANS TO HELP ME OUT SOME PROBLEMS MIGHT BE TOUGH SOME MIGHT BE V ...

1) Let f(x) be a polynomial satisfying f(0)=2, f' (0)=3 and f'' (x)=f(x). Then find f(4). ...

Plot : 2mod(x)mod(y)+2mod(x)-1≤1,mod(x)≤1/2 and mod(y)≤1/2 ...

If n is a natural number and a multiple of 3 such that *Image* ...

Prove that 3b2+6ac≤(a+b+c)2 if a≥b≥c ...

If n is a prime number which will divide neither a,b nor a+b prove that: an-2b-an-3b2+an-4b3......+abn-2 exceeds by 1 a multiple of n. ...

the integer just less than (2+√3)5 ...

If f(2)=2 ,f'(2)=1 Find *Image* ...