Math, asked by sonali0709, 10 months ago

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Answered by mrina

0

if (x^2+1/×^2)=18 then,

(x+1/x)^2=18-2

》(x+1/x)=4

sonali0709: No...Its Wrong

mrina: it is right you can check it in google also and inany book

mrina: in answer i am using identity (a+b)^2

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