Maharashtra State BoardSSC (English Medium) 8th Standard
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Expand ( 2 M + 1 5 ) 3 - Mathematics

Sum

Expand

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

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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 Mathematics 8th Standard Maharashtra State Board
Chapter 5 Expansion formulae
Practice Set 5.2 | Q 7 | Page 25
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