if x = 2 + underroot3, xy = 1, then find x/2-x + y/2-y

Ans- -2
Explain the working

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if x = 2 + underroot3, xy = 1, then find x/2-x + y/2-y

Ans- -2
Explain the working

Varun.Rawat · Accepted Answer

We have,x = 2 + 3Now, xy = 1⇒y = 1x = 12+3 = 12+3 × 2-32-3 = 2-34-3 = 2-3Now,      x2-x + y2-y=2+32-2+3 + 2-32-2-3=2+3-3 + 2-33=-2-3+2-33=-233=-2

if x = 2 + underroot3, xy = 1, then find x/2-x + y/2-y Ans- -2Explain the working