kaitttt
04.09.2020 •
Mathematics
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
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Ответ:
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
Ответ: