Question

If
$x + \frac{1}{x} = 7 \: find \: value \: of \: {x}^{3} + \frac{1}{ {x}^{3} }$
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Answer 1

Answer:

Step-by-step explanation:

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Here is u r Ans ➡➡➡

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= 4a(5a - 6b) - 12a {}^{2} (5a - 6b)

= 4a \times (5a - 6b) \times (1 - 3a)

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