Question

if x= 9+4√5 and y=√2-1/√2+1,find x²+y²+xy





plz give me answer fast it's urgent​

Answer 1

Answer:

7

Explanation:

x^2+y^2+xy=

{(✓2+1)^2}+{(✓2-1)^2}+(1)= 2+1+2+1+1=7

Note: multiply x and y with conjugate in Nr. and Dr.

Answer 2

Answer:

hope ur fine my sweet sister... what happened to kulsum