Math, asked by lakshyaodaka, 4 months ago

If (x-1/x)=9 then (x²+1/x²)

Answers

Answered by anshiiiiii0

1

Step-by-step explanation:

(x+1/x)^2+(x-1/x)^2=2(x^2+1/x^2)…………(1)

(9)^2+(x-1/x)^2= 2×53

(x-1/x)^2 =106 -81 =25

(x-1/x) = +/-(5) , उत्तर।

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