formula for (a+ b+c)³ and (a+b+c)²
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Answer:
(a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ac
Step-by-step explanation:
(a+ b+c)³=a^3+b^3+c^3+3(a+b)(b+c)(a+c)
(a+b+c)²=a^2+b^2+c^2+2ab+2bc+2ca