if x=2-√5find x^2+1/x^2
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Hey there!
Given,

Find


using expression (a+b)² = a² + 2ab + b²


Rationalising the denominator




(cancelling the opposites)


Hope it helps!
Given,
Find
using expression (a+b)² = a² + 2ab + b²
Rationalising the denominator
(cancelling the opposites)
Hope it helps!
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