SSC (English Medium) Class 8Maharashtra State Board
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Expand ( 5 X Y + Y 5 X ) 3 - SSC (English Medium) Class 8 - Mathematics

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Question

Expand

`((5x)/y + y/(5x))^3`

Solution

`((5x)/y + y/(5x))^3`

= `((5x)/y)^3 + (y/(5x))^3 + 3 xx ((5x)/y)^2 xx (y/(5x)) + 3 xx ((5x)/y) xx (y/(5x))^2`

= `(125x^3)/y^3 + y^3/(125x^3) + (15x)/y + (3y)/(5x)`

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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: 8 | Page no. 25
Solution Expand ( 5 X Y + Y 5 X ) 3 Concept: Expansion of (A + B)3.
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