Question

Simplify: √13-√11/√13+√11 + √13+√11/√13-√11

Answer 1

Answer:

x+y = √13-√11/√13+√1+√13-√11/√13+√1 = 2(13+11)/13-11

=24

3x2-5xy+3y2 = 3(x+y)2 - 11xy

=3(24)2-11(1) = 1717