math
posted by noel .
Simplify each of the following:
1. 16*(2^x)+2
2. 3[sqrt(x^1/4)*sqrt(x)/5*sqrt(x^2)]
3. ab^(2x+y)/a^x b^x

since 16=2^4, 2^(x+4)+2
sqrt(x^1/4) = x^1/2, so you have 3x/5x = 3/5
assuming the usual carelessness with parentheses, I see
(ab)^(2x+y)/(ab)^x = (ab)^(x+y)