In the previous article, we have discussed the solutions of 10 Long Answer type questions of *Integration By Parts* Chapter of **S N Dey mathematics Class 12.** In this chapter, we will discuss few more problems of Long Answer Type Questions of Exercise – 7 of Chhaya mathematics.

**Integration By Parts | Long Answer Type Questions (21-30)** | S N Dey

Solution.

Hence, by we get,

Solution.

Hence, by we get,

Hence, by we get,

Solution.

Hence, by we get,

Hence, by we get,

Hence, by we get,

Solution.

Hence, by we get,

Solution.

Hence, by we get,

Solution.

Hence, by we get,

Solution.

Solution.

Solution.

Hence, by we get,

Solution.

Solution.