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## Tamilnadu Samacheer Kalvi 12th Maths Solutions Chapter 9 Applications of Integration Ex 9.7

Question 1.

Evaluate the following

Solution:

We know that

(ii)

Solution:

= 0 + 1 + 24 + 4 = 29

Question 2.

Solution:

By using Gamma integral (n = 1; a = α)