If , then is equal to (A) (B) (C)…

MATHEMATICS · Subjective · CBSE · Mathematics · Integrals · Integrals

Problem

\int \frac{2^x}{x^2} dx = k \cdot 2^{\frac{1}{x}} + C

, then

k

is equal to (A)

\frac{-1}{\log 2}

(B)

-\log 2

(C)

-1

(D)

\frac{1}{2}