If x = 7 + 4√3 and xy = 1, then the value of (1/x2 + 1/y2) is:7 + 4√3/ 7 - 4√385√319457

If x= 8+3√7 and xy =1 , Then value of x+y ?

1. If7 4 3x   and1xy  , what is the value of2 21 1x y

Assuming xx and yy are both positive, write the following expression in simplest radical form.3, x, square root of, 150, x, squared, y, to the power 7 , end square root3x 150x 2 y 7 ​

Simplify the expression and express the answer using rational exponents. Assume that x and y denote positive numbers.xy364xy

Assuming xx and yy are both positive, write the following expression in simplest radical form.y, cubed, square root of, 45, x, to the power 7 , y, to the power 5 , end square rooty 3 45x 7 y 5 ​