The set of all values of \lambda for which the equation \cos ^2 2 x-2 \sin ^4 x-2 \cos ^2 x=\lambda has a real solution x, is: [29-Jan-2023 Shift 2]

Correct Answer is : [−32,−1]

JEE Mains 29-Jan-2023 Shift 2 Solved Paper

Section: Mathematics

Question : 70 of 90

Marks: +1, -0

The set of all values of λ for which the equation cos22x−2sin‌4x−2cos2x=λ has a real solution x, is:

[29-Jan-2023 Shift 2]

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