x=√2+1,y=√2-1 then x^2+y^2
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1
Answer:
Step-by-step explanation:
Answered by
1
Answer:
Step-by-step explanation:
X^2 + y^2 = (√2+1)^2 + (√2-1)^2
=(2+1+2√2) + (2+1-2√2)
=3 + 2√2 + 3 - 2√2
=3 + 3
= 6
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