Math, asked by approval, 1 year ago

please solve urgently

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Answered by dibyendu2
1
x^2=1/x^2+1
x^2-1/x^2=1
(x^2+1/x^2)^2=(x^2-1/x^2)^2+4x^2×1/x^2
=1^2+4=1+4=5
x^2+1/x^2=plus minus root5
answer =B




MARK AS BRAINLIEST PLZ

approval: i am sorry..could you please click a photo and then explain.. getting confused
approval: how did you get +1 in 3 step
approval: ok...got it
approval: thankuuu
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