SSC (English Medium) Class 8Maharashtra State Board
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Expand ( 2 P − 1 2 P ) 3 - SSC (English Medium) Class 8 - Mathematics

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Question

Expand

`(2p - 1/(2p))^3`

Solution

`(2p - 1/(2p))^3`

= `(2p)^3 - (1/(2p))^3 - 3 xx (2p)^2 xx 1/(2p) + 3 xx 2p xx (1/(2p))^2`

= `8p^3 - 1/(8p^3) - 6p + 3/(2p)`

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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: 1.6 | Page no. 27
Solution Expand ( 2 P − 1 2 P ) 3 Concept: Expansion of (A - B)3.
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