Question

If x+ 1/x=3 , find x square +1/x square i want answer fast plss, plss

Answer 1

Answer:

ans=7

Step-by-step explanation:

x+1/x=3

here we would use identity, [a+b]2=a2+2ab+b2

therefore, [x+1/x]2=x2+2[x][1/x]+1/x2

as x+1/x=3

[3]2=9,

9=x2+1/x2+2                        [as x&x gets cancelled]

so, 9-2=x2+1/x2

therefore, 7 = x2+1/x2

Answer 2

Step-by-step explanation:

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