If x=3–√+13–√−1x=3+13−1 and y=3–√−13–√+1,y=3−1 – McqOptions

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1.	If x=3–√+13–√−1x=3+13−1 and y=3–√−13–√+1,y=3−13+1, then the value of (x2+y2)(x2+y2) is?
A.	10
B.	13
C.	14
D.	15
Answer» B. 13

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