(1)

Step 1:

The integral  is.

The sum and differential rule of integral :.

Power rule of Integral :.

.

Solution :

.

(2)

Step 1:

The integral  is.

Constant rule of integral :.

.

Solution :

.

(3)

Step 1:

The integral  is.

The sum and differential rule of integral :.

.

.

Power rule of Integral :.

.

Solution :

.

(4)

Step 1:

The integral is.

The sum and differential rule of integral :.

.

.

Power rule of Integral :.

.

Solution :

.