Tamilnadu State Board New Syllabus Samacheer Kalvi 12th Maths Guide Pdf Chapter 9 Applications of Integration Ex 9.2 Textbook Questions and Answers, Notes.

## Tamilnadu Samacheer Kalvi 12th Maths Solutions Chapter 9 Applications of Integration Ex 9.2

Question 1.

Evaluate the following integrals as the limits of sums:

(i) \(\int_{0}^{1}\) (5x + 4)dx

Solution:

(i) Here f(x) = 5x + 4, a = 0, b = 1

Hence we get

(ii) \(\int_{1}^{2}\) (4x² – 1)dx

Solution:

Here f(x) = 4x² – 1, a = 1, b = 2

We use the formula