Subject: Maths, asked on 19/3/18

## Please solve Q. Evaluate : $\int \frac{{x}^{2}-1}{x\sqrt{{x}^{4}+3{x}^{2}+1}}dx$

Subject: Maths, asked on 19/3/18

## Question 69. Evaluate ${\int }_{2}^{5}\left(3{x}^{2}-5\right)dx$ as a limit of a sum.

Subject: Maths, asked on 19/3/18

## Question 24. Evaluate

Subject: Maths, asked on 19/3/18

## Solve this: Q.15. Find :

Subject: Maths, asked on 19/3/18
Subject: Maths, asked on 18/3/18

## Integrate

Subject: Maths, asked on 18/3/18

## Q.25 second part Q.25. Evaluate:

Subject: Maths, asked on 18/3/18

## Solve this: Q.49.

Subject: Maths, asked on 18/3/18

## Solve this:

Subject: Maths, asked on 18/3/18

## Q.18

Subject: Maths, asked on 18/3/18

## Kindly check if the given question is done correctly or not. [In book, it was done by directly using by-parts method, so lemme know if we can do this way or not.] Q1

Subject: Maths, asked on 18/3/18

## why did we do that step (marked with arrow) and how did it happen pls explain?

Subject: Maths, asked on 18/3/18

## why did the alpha went missing in the last step? It should be x cos 2(alpha) +(alpha) cos 2(alpha) - sin 2 (alpha) ln   |sin(x+alpha)+C

Subject: Maths, asked on 17/3/18

## Shouldn't the marked term be negative ?!.. If not, how did it come ?!..

Subject: Maths, asked on 17/3/18

## Solve this:

What are you looking for?