if x+1/x=root 5 find the values of x square +1/x square and x power 4 + 1/x power 4
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Answer:
x+1/x=√5
Square LHS and RHS
(x+1/x) ^2=(√5) ^2
by using (a+b)^2 in LHS
so, x^2+1+1/x^2=5
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