Evaluate ∫(^2_1) (frac{5}{x}) dx
-
A.
1.47 -
B.
2.67 -
C.
3.23 -
D.
3.47
Correct Answer: Option D
Explanation
∫(frac{5}{x}) dx = 5 ∫(frac{1}{x}) = 5Inx
Since the integral of (frac{1}{x}) is Inx
∫(^2) (_1)∫ (frac{5}{x}) dx = 5
dx = 5 (In<2 – InIn1)
= 3.4657
= 3.47
There is an explanation video available below.