If x= 2-√5/2+√5 and y= 2+√5/2-√5, find the value of (x*x)-(y*y)

Question

Arun · Answer

Dear student x = 2-√5/2+√5 on rationalization x = (4 + 5 – 4 √5) / – 1 x = 4 √5 – 9 Now similarly y = – 4 √5 – 9 Now question is asked for x^2 – y^2 = (x+y) * (x – y) = – 18 * 8 √5 = – 144√5

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If x= 2-√5/2+√5 and y= 2+√5/2-√5, find the value of (xx)-(yy)

If x= 2-√5/2+√5 and y= 2+√5/2-√5, find the value of (xx)-(yy)

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