The Set Of All Values Of ‘b’ For Which The Function f (x) = (b2 – 3b + 2) (cos2x – Sin2x) + (b – 1) x + Sin 2 Does Not Possesses Stationary Points Is:

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Question

The set of all values of ‘b’ for which the function (x) = (b2 – 3b + 2) (cos2x – sin2x) + (b – 1) x + sin 2 does not possesses stationary points is:

Solution

Correct option is

As, (x) does not possesses stationary points   

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