\[\int_{0}^{\pi /6}{(2+3{{x}^{2}})\cos 3x\,dx=}\] [DSSE 1985]

\[\frac{1}{36}({{\pi }^{2}}-16)\]

\[\frac{1}{36}({{\pi }^{2}}+16)\]

\[\int_{0}^{\pi /6}{(2+3{{x}^{2}})\cos 3x\,dx=}\] �

1.	\[\int_{0}^{\pi /6}{(2+3{{x}^{2}})\cos 3x\,dx=}\] [DSSE 1985]
A.	\[\frac{1}{36}(\pi +16)\]
B.	\[\frac{1}{36}(\pi -16)\]
C.	\[\frac{1}{36}({{\pi }^{2}}-16)\]
D.	\[\frac{1}{36}({{\pi }^{2}}+16)\]
Answer» E.

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\[\int_{0}^{\pi /6}{(2+3{{x}^{2}})\cos 3x\,dx=}\] [DSSE 1985]

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