Math, asked by rd112475, 1 month ago

Expand the following: (3x-1/x)³

Answers

Answered by maryvarsha2413

1

Answer:

Step-by-step explanation:

$(a-b)^{3} =a^{3} -b^{3} -3ab(a-b)$

$(3x-\frac{1}{x}) ^{3}=(3x)^{3} -(\frac{1}{x} )^{3}-3*3x*\frac{1}{x}(3x-\frac{1}{x} )$

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