Question

$\int \frac{e^{8\log x}-e^{7\log x}}{e^{6\log x}-e^{5\log x}}dx=$

• A. $0$
• B. $\frac{x^3}{3}$
• C. $\frac{3}{x^3}$
• D. $\frac{1}{x}$

Answer 1

Answer: (B)

$e^{k\log x}=x^k$