2. Polynomials
easy

વિસ્તરણ કરો

$(2 a-5 b)^{3}$

Option A
Option B
Option C
Option D

Solution

$=(2 a)^{3}-(5 b)^{3}-3(2 a)(5 b)(2 a-5 b)$

$=8 a^{3}-125 b^{3}-30 a b(2 a-5 b)$

$=8 a^{3}-125 b^{3}-60 a^{2} b+150 a b^{2}$

Standard 9
Mathematics

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