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Let f(x)=∣∣∣∣∣6−cos2xcos2x4sin2xsin2x5+cos2x4sin2xsin2xcos2x5+4sin2x∣∣∣∣∣, where x∈R. If M and m denote the maximum and the minimum values of f respectively, then the value of M−m is |
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Answer» Let f(x)=∣∣ ∣ ∣∣6−cos2xcos2x4sin2xsin2x5+cos2x4sin2xsin2xcos2x5+4sin2x∣∣ ∣ ∣∣, where x∈R. If M and m denote the maximum and the minimum values of f respectively, then the value of M−m is |
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