2. Polynomials
easy

વિસ્તરણ કરો.

$(a-2 b+7 c)^{2}$

Option A
Option B
Option C
Option D

Solution

$a^{2}+4 b^{2}+49 c^{2}-4 a b-28 b c+14 c a$

Standard 9
Mathematics

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