1.If f:R→[π3,π)f : \mathbb{R} \to [\frac{\pi}{3}, \pi)f:R→[3π,π) defined by f(x)=cos−1(λ−x2x2+2)f(x) = \cos^{-1}\left(\frac{\lambda - x^2}{x^2 + 2}\right)f(x)=cos−1(x2+2λ−x2) is a surjective function, then the value of λ\lambdaλ is equal toa.000b.333c.222d.111Login to continueOnly logged in users canattempt or see the solution.