If x =√5-2/√5+2 and y= √5+2/√5-2, find the value of x²+y² -x – InterviewSolution

1.

If x =√5-2/√5+2 and y= √5+2/√5-2, find the value of x²+y² -xy

Answer»

ong>Answer:

x=√5-2/√5+2

x+y=18

x2+y2-xy

=(x+y)2-2xy-xy

=(18)2-3×1

=324-4

=321

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