🛠️ JEE➗ Maths

The solutions of the equation \(\left|\begin{array}{ccc}1+\sin ^2 x & \sin ^2 x & \sin ^2 x \\\cos ^2 x & 1+…

Q1

The solutions of the equation \(\left|\begin{array}{ccc}1+\sin ^2 x & \sin ^2 x & \sin ^2 x \\\cos ^2 x & 1+\cos ^2 x & \cos ^2 x \\4 \sin 2 x & 4 \sin 2 x & 1+4 \sin 2 x\end{array}\right|=0,(0<x<\pi) \text {, are : }\)

[JEE Main 2021, 18 Mar (Shift 1)]

a

\(\frac{7 \pi}{12}, \frac{11 \pi}{12}\)

b

\(\frac{\pi}{12}, \frac{\pi}{6}\)

c

\(\frac{5 \pi}{12}, \frac{7 \pi}{12}\)

d

\(\frac{\pi}{6}, \frac{5 \pi}{6}\)

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