Question

Choose the correct alternative:

If the function `f(x) = sin^-1 (x^2 - 3)`, then x belongs to

विकल्प

• [– 1, 1]

• `[sqrt(2), 2]`

• `[-2, sqrt(2)] ∪ [sqrt(2), 2]`

• `[- 2 -sqrt(2)]`

Answer 1

`[-2, sqrt(2)] ∪ [sqrt(2), 2]`