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The proposition \((\sim p)∨(p ∧\sim q)\) is equivalent to :

Let A be any \(3×3\) invertible matrix. Then which one of the following is not always true ?

1.\(adj (adj(A))=|A|⋅(adj(A))^{−1}\)

2....

If \(y=\left(x+\sqrt{x^{2}-1}\right)^{15}+\left(x-\sqrt{x^{2}-1}\right)^{15}\), what is ...

If two parallel chords of a circle, having diameter \(4\) units, lie on the opposite sides of the centre and subtend angles \(\cos^{-1}(\frac{1}{7})\) and ...

Dear Brilliant Community, I Am really grateful to all the people here on brilliant for posting good problems, solutions, quizzes,notes etc from which i learnt a lot. I Was ...

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