If \[P=\int_{0}^{3\pi }{f({{\cos }^{2}}x)dx}\,\,\text{and}\,\,Q=\int_{0}^{\pi }{f({{\cos }^{2}}x)dx}\], then [Orissa JEE 2004]

If \[P=\int_{0}^{3\pi }{f({{\cos }^{2}}x)dx}\,\,\text{and}\,\,Q=\int_{

1.	If \[P=\int_{0}^{3\pi }{f({{\cos }^{2}}x)dx}\,\,\text{and}\,\,Q=\int_{0}^{\pi }{f({{\cos }^{2}}x)dx}\], then [Orissa JEE 2004]
A.	\[P-Q=0\]
B.	\[P-2Q=0\]
C.	\[P-3Q=0\]
D.	\[P-5Q=0\]
Answer» D. \[P-5Q=0\]

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If \[P=\int_{0}^{3\pi }{f({{\cos }^{2}}x)dx}\,\,\text{and}\,\,Q=\int_{0}^{\pi }{f({{\cos }^{2}}x)dx}\], then [Orissa JEE 2004]

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