(2) (a) Find the linearizetion L(:c) for f(3:) = 1/1 a: at a = U and use it to approximate the numbers v0.9 and v0.99 . (b) Find the linearization Mac) for the function 9(3) : (1 + :5)\"3 at a = U and use it to approximate the numbers (0.95)\" and (1.1)\