Question

The point of discontinuity of $\frac{3}{2}$ is –

• A. x = 0
• B. x = π
• C. x = π/2
• D. All of these

Answer 1

Answer: (D)

All of these

Answer 2

1 – cos 4x = 0 ⇒ cos 4x = 1

⇒ 4x = 0, 2π, 4π ⇒ X = 0, $\frac { \pi } { 2 }$, π…….