Home » Evaluate ∫(^2_1) (frac{5}{x}) dx

Evaluate ∫(^2_1) (frac{5}{x}) dx

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.

Explanation Video