Please help with this

1. Consider the following version of the firms profit maximization problem: The technology is y = f(x1, X2) where f (x1, X2) is (a) constant returns to scale, (b) strictly concave in its factors, (c) once continuously differentable, and (d) satisfies an Inada condition in each input. Let the price of the factors be given by wi > 0 for factors xi for i = 1, 2. Let the price of finished output good be p > 0