SSC (English Medium) Class 8Maharashtra State Board
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Expand ( X 3 − 3 X ) 3 - SSC (English Medium) Class 8 - Mathematics

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Question

Expand

`(x/3 - 3/x)^3`

Solution

`(x/3 - 3/x)^3`

= `(x/3)^3 - (3/x)^3 - 3 xx (x/3)^2 xx (3/x) + 3 xx (x/3) xx (3/x)^2`

 = `x^3/27 - 27/x^3 - x + 9/x`

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APPEARS IN

 Balbharati Solution for Balbharati Class 8 Mathematics (2019 to Current)
Chapter 5: Expansion formulae
Practice Set 5.3 | Q: 1.8 | Page no. 27
Solution Expand ( X 3 − 3 X ) 3 Concept: Expansion of (A - B)3.
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