Subject: Maths, asked on 13/3/18

## Prove that 31/2+1/4+1/6.....=3

Subject: Maths, asked on 12/3/18

## solve the equation for x: 2+5+8+11+....+5=345

Subject: Maths, asked on 12/3/18

## Find th sum of the following series: (i) 0.5 + 0.55 + 0.555 + ................... to n terms. (ii) 3 + 15 + 35 + 63 + .................. to n terms.

Subject: Maths, asked on 7/3/18

## Qstn 17- OR part Q.17. Find the sum of series ${\left(1\frac{1}{2}\right)}^{2}+{\left(2\frac{1}{2}\right)}^{2}+{\left(3\frac{1}{2}\right)}^{2}+.....$ to n terms.

Subject: Maths, asked on 6/3/18

## Solve 12 ques or part

Subject: Maths, asked on 5/3/18

## Solve this: Q.20. Find the ${n}^{th}$ term and the sum of n terms of the series $\frac{1}{3.7}+\frac{1}{7.11}+\frac{1}{11.15}+........$

Subject: Maths, asked on 5/3/18

## Solve 24 ques Q.24. Find the sum of first 20 terms of the series : $1+\frac{1+2}{2}+\frac{1+2+3}{3}+\frac{1+2+3+4}{4}+.........$

Subject: Maths, asked on 5/3/18

## 24. Find the sum of first 20 terms of the series: $1+\frac{1+2}{2}+\frac{1+2+3}{3}+\frac{1+2+3+4}{4}+...........$ 25. Using principle of mathematical induction, prove that

Subject: Maths, asked on 5/3/18

## Solve ques 22

Subject: Maths, asked on 5/3/18

## Solve ques 12 or part

Subject: Maths, asked on 4/3/18

## Solve this: ​Q25. Construct a magic square using even numbers of order 5 × 5. What is the total in each row, column or diagonally ?

Subject: Maths, asked on 21/2/18

## please solve ques 16,17,18,19&20 its very urgent and important

Subject: Maths, asked on 8/2/18

## Pl answer fast Q. If the sum of the roots of the quadratic equation $a{x}^{2}+bx+c=0$ is equal to the sum of the squares of their reciprocals, then prove that $2{a}^{2}c={c}^{2}b+{b}^{2}a$.

Subject: Maths, asked on 8/2/18

## Please answer fast   (i)    The ages of the boys in a group are in A.P. with the common difference of 3 months. The age of the youngest boy in the group is 12 years. The sum of the ages of all the boys in the the group is 375 years. Find the number of boys in the group.

Subject: Maths, asked on 4/2/18

## Find the sum to n terms of the series 1 × 2 × 3 + 2 × 3 × 4 + 3 × 4 × 5 + ...

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