JEE MAIN - Mathematics Hindi (2021 - 27th July Morning Shift - No. 21)

मान लीजिए $$f(x) = \left| {\matrix{ {{{\sin }^2}x} & { - 2 + {{\cos }^2}x} & {\cos 2x} \cr {2 + {{\sin }^2}x} & {{{\cos }^2}x} & {\cos 2x} \cr {{{\sin }^2}x} & {{{\cos }^2}x} & {1 + \cos 2x} \cr } } \right|,x \in [0,\pi ]$$. तो f(x) का अधिकतम मूल्य ______________ है.
Answer
6

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