2. Polynomials
easy

વિસ્તરણ કરો:- $(x+3 y-5 z)^{2}$

Option A
Option B
Option C
Option D

Solution

$(x+3 y-5 z)^{2}$

$=(x)^{2}+(3 y)^{2}+(-5 z)^{2}+2(x)(3 y)$$+2(3 y)(-5 z)+2(-5 z)(x)$

$=x^{2}+9 y^{2}+25 z^{2}+6 x y-30 y z-10 z x$

Standard 9
Mathematics

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