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Find the Following Squares by Suing the Identities. `(2by3 M + 3by4 N)Square2` - Mathematics

Find the following squares by suing the identities.

`(2/3 m + 3/4 n)^2`

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Solution

`(2/3 m + 3/4 n)^2` = `(2/3 m)^2 + 2(2/3 m)(3/2 n)+ (3/2 n)^2`  [(a + b)2 = a2 + 2ab + b2]

= `4/9 m^2 + 2mn + 9/4 n^2`

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APPEARS IN

NCERT Class 8 Maths Textbook
Chapter 9 Algebraic Expressions and Identities
Exercise 9.5 | Q 3.4 | Page 151
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