Subject: Maths, asked on 8/7/17

## Please tell the solutions to Eg. 2 & 5

Subject: Maths, asked on 6/7/17

## using principle of mathematical induction prove that 4^n-3n-1 is a multiple of 9

Subject: Maths, asked on 4/7/17

## prove by PMI that 2+6+18+......+2.3^(n-1) = (3^n)-1

Subject: Maths, asked on 25/6/17

## prove by induction (n+3)2<=2n+3​

Subject: Maths, asked on 18/6/17

## Prove that (1+x)^n greater than or equal to (1+nx), for all natural number n, where x > -1.        I did not understand where the kx^2 went (last step) in the answers given by the experts.      EXPERTS PLEASE HELP​

Subject: Maths, asked on 10/6/17

## 1/2.5+ 1/5.8 +...+ upto n terms = n/6n+4​

Subject: Maths, asked on 17/5/17

## If n∈N and (2.1+1) + (2.2 + 1) + (2.3 + 1) + ... + (2.n + 1) = n2 + 2n + 5 is true for n=m, then prove that it is also true for n=m+1. Can we conclude that it is true for all n∈N ?

Subject: Maths, asked on 29/4/17

## solve 28 step by step

Subject: Maths, asked on 14/3/17

## Experts and frndss...im so happy I can't explain..earlier 70/70 marks in phy...and now...I got 100/100 marks in maths...omg...im so cheerful ..this is because of ur quick and continuous responses...thnku experts..now bless me to score better in my CBSE class 12.

Subject: Maths, asked on 8/3/17

## 1+2+3+......n?1/8(2n+1)^2

Subject: Maths, asked on 8/3/17

## Solve this:

Subject: Maths, asked on 8/3/17

## Solve this:

Subject: Maths, asked on 7/3/17

## Prove by PMI that :- 1 × 1! + 2×2! + 3×3! + ... + n × n! = (n+1)! - 1

Subject: Maths, asked on 7/3/17

## In this question..P.T (1+x)n >= (1+nx) [for x > -1]...in answer, for n=1...it came.. (1+x) >= (1+x)....so how it's true?....recently I asked a question that whether 0>=0..and the expert said that it's flase...so how this statement is true...clear my doubt..

Subject: Maths, asked on 5/3/17

## A box contains 6 red marbles, 5 blue marbles and 4 green marbles. 3 balls are drawn from the box, What is the probability that (a) All will be blue? (b) At least one will be green?

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