Intergration intergrate the following in terms of x?

Question

Intergrate the followings in terms of x: 1) 2/sec^2x 2) -1/a 3) a/x 4) e^x/3 5) 2/root of x 6) 10^5x 7)-0.5e^-4x 8) 2.3^5x

Answer 1

1) The expression is .

Answer 2

2) The expression is

Answer 3

3) The expression is

4) The expression is

5) The expression is

6) The expression is

Answer 4

7) The expression is

8) The expression is

Comments

8) The expression is .

Let us assume that u = 5x => du/dx = 5=>dx=du/5

Substitte u = 5x.