Question

(3x+1/x)^3 simplify
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Answer 1

Answer:

${(3x + \frac{1}{x} )}^{3} \\ = 9 {x}^{3} + (3 \times {9x}^{2} \times \frac{1}{x} ) + (3 \times 3x \times \frac{1}{ {x}^{2} } ) + \frac{1}{ {x}^{3} } \\ = 9 {x}^{3} + 27x + \frac{9}{x} + \frac{1}{ {x}^{3} }$

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