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04-09-2020
Mathematics

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Use Pascal's triangle to find the coefficient of the third term in the expansion of (a + b)^2. a. 3 b. 4 c. 2 d. 1

Respuesta :

Alfpfeu Alfpfeu

04-09-2020

Answer:

d

Step-by-step explanation:

Hello,

Let's compute the first lines of Pascal's triangle

1

1 1

1 2 1

so the third term in the mentioned expansion is 1

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