Answer the following circled question
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Step-by-step explanation:
Cubing both side ,we get
x + 1/x +3x ×1/x (x+1/x) = 125
so, x + 1/x + 3(x+1/x) = 125
= 4(x+1/x) = 125
= x+1/x = 125/4
Now , squaring both side , we get
x²+ 1/x² + 2x ×1/x = 125/4
= x²+1/x² = 125/4 -2
= x² + 1/x² = 117/4.
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x^2 + 1/x^2 = 117/4 is the answer of ur question..
have a nice day:)
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