if x + y = 2 and x 2 y 3 + y 2 x 3 = 32 , what is the value of xy ?
"xy = 4 as x + y = 2 x 2 y 3 + y 2 x 3 = 32 x 2 y 2 ( y + x ) = 32 substituting x + y x 2 y 2 = 16 xy = 4 answer : d"
sqrt(divide(32, 2))