🛠️ JEE➗ Maths

The maximum value of \(f(x)=\left|\begin{array}{ccc}\sin ^2 x & 1+\cos ^2 x & \cos 2 x \\ 1+\sin ^2 x & \cos…

Q1

The maximum value of \(f(x)=\left|\begin{array}{ccc}\sin ^2 x & 1+\cos ^2 x & \cos 2 x \\ 1+\sin ^2 x & \cos ^2 x & \cos 2 x \\ \sin ^2 x & \cos ^2 x & \sin 2 x\end{array}\right|, x \in R\) is

[JEE Main 2021, 16 Mar (Shift 2)]

a

\(\frac{3}{4}\)

b

5

c

\(\sqrt{5}\)

d

\(\sqrt{7}\)

🔒
Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149

Practice more JEE Maths PYQs

See every question on Determinants, or browse the full JEE question bank.

See all questions on Determinants →