Question

If X equals to root 3 minus root 2 upon root 3 + root 2 and Y = 2 root 3 + root 2 upon root 3 minus root 2 then find the value of x square + Y square - 5 x y

Answer 1

hope this was helpful

Answer 2

rationalise the values of x and y and then put the values in (x sq. + y sq. - 5xy)