19. Matrices & Determinants
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JEE Advanced 2019 Solutions : Let M=sin4θ −1−sin2θ 1+cos2θc os4θ=αI+βM−1, whereα=α(θ) andβ=β(θ) are
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JEE Advanced 2019 Solutions: Let M= 1 a 1 2 3 3 b 1 and adj M=−1 1 −1 8 −6 2 −5 3 −1 where
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