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Multiply the Binomials `(3by4 Asquare2 + 3bsquare2) and 4(Asquare2 - 2by3 Bsquare2)` - Mathematics

Multiply the binomials `(3/4 a^2 + 3b^2) and 4(a^2 - 2/3 b^2)`

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Solution

`(3/4 a^2+ 3b^2) xx [4(a^2 - 2/3 b^2)] = (3/4 a^2 + 3b^2) xx (4a^2 - 8/3 b^2)`

= `3/4 a^2 xx (4a^2 - 8/3 b^2) + 3b^2 xx (4a^2 - 8/3 b^2)`

= `3a^4 - 2a^2b^2 + 12b^2a^2 - 8b^4`

`= 3a^4 + 10a^2b^2 - 8b^4`

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APPEARS IN

NCERT Class 8 Maths Textbook
Chapter 9 Algebraic Expressions and Identities
Exercise 9.4 | Q 1.6 | Page 148
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