Math, asked by lakshmichawla103, 1 month ago

{3x+1/x}^3 Expantion ​

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Answered by karthikeyabendi05
1

Step-by-step explanation:

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Answered by Anonymous
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Answer:

Answer: 27x^3 +1/x^3 + 27x + 9/x Σ R Step-by-step explanation: Formula used : (a + b)^3 = a^3 + b^3 + 3ab( a + b) Here, (3x + 1/x)^3 (3x)^3 + (1/x)^3 + 3(3x*1/x)(3x+1/x) 27x^3 +1/x^3 + 3(3*1)(3x+1/x) → 27x^3 +1/x^3 + 9(3x+1/x) → 27x^3 +1/x^3 + 27x + 9/x Therefore, (3x + 1/ x)^3 = 27x^3+1/x^3 +27x + 9/x

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