Find the product a^2 b^2 (a+ b + c)
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Answer:
(a+b+c )2 = A2+ b2+c2 + 2ab+ 2bc+2ca.
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a
2 +b)(a+b)
=a 2 (a+b 2)+b(a+b 2
=a 3 +a 2 b 2 +ab+b 3
=a 3 +b 3 +ab(ab
2 +b)(a+b)
=a 2 (a+b 2)+b(a+b 2
=a 3 +a 2 b 2 +ab+b 3
=a 3 +b 3 +ab(ab
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