2. Polynomials
easy

નીચે આપેલનાં અવયવ પાડો : $64 m^{3}-343 n^{3}$

Option A
Option B
Option C
Option D

Solution

$64 m^{3}-343 n^{3} =(4 m)^{3}-(7 n)^{3} $

$=(4 m-7 m)\left[(4 m)^{2}+(4 m)(7 n)+(7 n)^{2}\right] $

$=(4 m-7 n)\left[16 m^{2}+28 m n+49 n^{2}\right] $

$=(4 m-7 n)\left[16 m^{2}+49 n^{2}+28 m n\right]$

Standard 9
Mathematics

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