A) 31
B) 22
C) 23
D) None of these
Correct Answer: A
Solution :
\[\int_{\,0}^{\,9}{[\sqrt{x}+2]}\,dx\]\[=\int_{0}^{1}{2\,dx+\int_{1}^{4}{3\,dx+\int_{4}^{9}{4\,dx}}}\] \[=2+(12-3)+(36-16)\]\[=2+9+20=31\].You need to login to perform this action.
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