2 years ago

Find the product. (a2 + 2a + 1)(a + 1) a. A2 + 3a + 2 b. A3 + 3a2 + 3a + 1 c. A3 + 2a 2 + a + 1 d. A3 + 3a2 + a + 1

Mathematics

1 answer:

olchik [2.2K]2 years ago

7 0

(a + 1)(a² + 2a + 1)

= a(a² + 2a + 1) + 1(a² + 2a + 1)

= a³ + 2a² + a + a² + 2a + 1

= a³ + 3a² + 3a + 1

Answer: b

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