Subject: Maths, asked on 4/2/18

## If a is the AM of b and c and the two geometric means are G1 and G2, then prove that G1 3 + G2 3 = 2abc

Subject: Maths, asked on 31/1/18

## Solve this: 69.

Subject: Maths, asked on 22/1/18

## if a^n+b^n/a^n-1 +b^n-1 is the a.m between a and b then find the value of n

Subject: Maths, asked on 20/1/18

## A, B, C are in G.P and A, X, B, Y, C are A.P prove $\frac{1}{\mathrm{X}}+\frac{1}{\mathrm{Y}}=\frac{2}{{\mathrm{B}}}$.

Subject: Maths, asked on 19/1/18

## Solve this: 103.  If the nth term in a sequence of numbers  is defined to equal 2n + 1, then what is the numerical difference between the 5th and 6th terms in the sequence?  A.  1                                                            B.  2 C.  4                                                            D.  5

Subject: Maths, asked on 1/1/18

## The numbers 3^(2sin 2theta-1) , 14 , 3^(4-2sin 2theta)  form first three terms of an AP , show that the fifth term is 53

Subject: Maths, asked on 31/12/17

## Question10&11

Subject: Maths, asked on 31/12/17

## Question 13

Subject: Maths, asked on 31/12/17

## Question 1 plz fast..../ Q1. If a , b, c are in AP and b , c, d be in HP, then         (a) ab = cd                    (b) ad = bc                        (c) ac = bd

Subject: Maths, asked on 30/12/17

## for what values of 'a' does 5^1+x+5^1-x, a/2, 25^x+25^-x form three consecutive terms of an A.P

Subject: Maths, asked on 26/12/17

## find the sum to n terms of 13+23/2+13+23+33/3+...n terms. @experts ,I hope the question is clear now,answer ASAP!

Subject: Maths, asked on 25/12/17

## find the sum to n terms of 13+23/2 +13+23+33/3+......

Subject: Maths, asked on 25/12/17

## if 1/x+y,1/y+2,1/x+z are in A.P, show that y2 ,x2,z2 are in A.P.​

Subject: Maths, asked on 16/12/17

## Question no 28

Subject: Maths, asked on 16/12/17

## Solve this: Q.1. Select a figure from the options which will continue the same series as established by the Problem Figures. A. B. C. D.

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