how that the cost function for a firm with the constant returns Cobb–Douglas production function y = Az1^a z2^1-a is given C( p, y) = yp1^a p1^1-a B , where B is a function of A and a only. Sketch the cost curves. Derive the conditional input demands

how that the cost function for a firm with the constant returns
Cobb–Douglas production function y = Az1^a z2^1-a is given C( p, y)
= yp1^a p1^1-a B , where B is a function of A and a only. Sketch the
cost curves. Derive the conditional input demands