Let F(x, Y) = 3 $x ^ { 1 / 4 }$

Short Answer

Let f(x, y) = 3 $x ^ { 1 / 4 }$ $y ^ { 3 / 4 }$ . Compute f(4a, 4b).
Enter your answer as c $a ^ { n }$ $\mathrm { b^m }$ .