Question

do expansion(3x+1/x)^3​

Answer 1

Answer:

27×^3+1/x^3 + 27x +9/x

Step-by-step explanation:

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Answer 2

$\large \bold \color{red}{( 3 + \frac{1}{x} ) ^{3} }$

$\large \bold \color{blue}{ = {3}^{3} + 3. {3}^{2}. \frac{1}{x} + 3.3.( \frac{1}{x}) ^{2} + ( \frac{1}{x} ) ^{3} }$

$\large \boxed{\bold \color{blue}{ = 27 + \frac{27}{x} + \frac{9}{ {x}^{2} } + \frac{1}{ {x}^{3} } }}$