X square + 1 by x square barabar 38 ho tho x minus 1 by X ka mann hoga?
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x^2+1/x^2=38
subtract 2 on both sides
x^2+1/x^2-2=38-2
you can write this as,
x^2+(1/x)^2-2(1/x)(x)=36
by the formula a^2+b^2-2ab=(a-b)^2, we get
(x-1/x)^2=36
x-1/x=√36
x-1/x=6
I hope this helps you
pls mark brainliest
subtract 2 on both sides
x^2+1/x^2-2=38-2
you can write this as,
x^2+(1/x)^2-2(1/x)(x)=36
by the formula a^2+b^2-2ab=(a-b)^2, we get
(x-1/x)^2=36
x-1/x=√36
x-1/x=6
I hope this helps you
pls mark brainliest
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