Question

The value of $\int_{}^{}\frac{\sin\sqrt{x}}{\sqrt{x}}dx$is

• A. 2cos$\sqrt{x}$ + C
• B. – 2 cos$\sqrt{x}$+ C
• C. cos$\sqrt{x}$+ C
• D. – cos$\sqrt{x}$+ C

Answer 1

Answer: (B)

– 2 cos$\sqrt{x}$+ C

Answer 2

Let = t

= 2dt

\= 2 cos + C