if x squared plus one upon x square equals to 47 then x plus one upon X equals to what
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x2+1÷x2=47
×+1÷x=?
adding 2x×1÷x both side
then u get formula( a+b)2=a2+2ab+b2
x+1/x=47×2-2
x+1/x=92
×+1÷x=?
adding 2x×1÷x both side
then u get formula( a+b)2=a2+2ab+b2
x+1/x=47×2-2
x+1/x=92
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