If y = | array ccc x & x & x x & - x & x x & 1 & 1 array | , then dy dx is equal to
Mathematics · JEE Advanced · NTA Exams — Limit, Continuity and Differentiability
If y = \[\left|\begin{array}{ccc}
\sin x & \cos x & \sin x \\
\cos x & -\sin x & \cos x \\
x & 1 & 1
\end{array}\right|\], then \(\frac{\mathrm{dy}}{\mathrm{dx}}\) is equal to
- 1
- –1
- 0
- None of these
Answer
(A) 1
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