SSC (English Medium) Class 8Maharashtra State Board
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Expand ( 2 M + 1 5 ) 3 - SSC (English Medium) Class 8 - Mathematics

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Question

Expand

`(2m + 1/5)^3`

Solution

`(2m + 1/5)^3`

= `(2m)^3 + (1/5)^3 + 3 xx (2m)^2 xx (1/5) + 3 xx (2m) xx (1/5)^2`

= `8m^3 + 1/125 + (12m^2)/5 + (6m)/25`

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APPEARS IN

 Balbharati Solution for Balbharati Class 8 Mathematics (2019 to Current)
Chapter 5: Expansion formulae
Practice Set 5.2 | Q: 7 | Page no. 25
Solution Expand ( 2 M + 1 5 ) 3 Concept: Expansion of (A + B)3.
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