44. (a + b)(a? - ab + b2 + 1) is equal to
(1) a3 - ab + b3 + a
(2) a3 + b3 + a + b
(3) a² + ab + b3 + b
(4) a: - 2ab + b3 + 1
Answers
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Answer:
option (2) is the answer
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Answered by
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Answer:
a³+b³+a+
Step-by-step explanation:
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