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2. Polynomials
easy
નીચે આપેલનાં અવયવ પાડો : $27 y^{3}+125 z^{3}$
Option A
Option B
Option C
Option D
Solution
$ 27 y^{3}+125 z^{3} =(3 y)^{3}+(5 z)^{3}$
$=(3 y+5 z)\left[(3 y)^{2}-(3 y)(5 z)+(5 z)^{2}\right] $
$=(3 y+5 z)\left[9 y^{2}-15 y z+25 z^{2}\right]$
$=(3 y+5 z)\left[9 y^{2}+25 z^{2}-15 y z\right] $
Standard 9
Mathematics
