If x+1/x=10 then find the value of x²+1/x²
Plz help me.....
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Answered by
0
Put the value of x directly
sivahemanth71:
we can do by squaring on both sides so (x+1/x)^2=100. x^2+1/x^2+2*x*(1/x)=100. x^2+1/x^2=98
Answered by
1
x+1/x=10
10x=x+1
9x=1
x=1/9
Hence put value (1/9)²+1/(1/9)²
82/81/1/81
82/81*81
82 ans
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