Polynomials

Question

If $straight x equals fraction numerator square root of 3 plus square root of 2 over denominator square root of 3 minus square root of 2 end fraction comma space space straight y space equals fraction numerator square root of 3 minus square root of 2 over denominator square root of 3 plus square root of 2 end fraction$ , then find the value of x² + y² - 10xy.

Solution

Sollution not provided.
Ans. 88