the coefficient of y^2 in the expansion of (y+3)^3
Answers
Answered by
1
Step-by-step explanation:
( y + 3)³
y³ + 9y² + 27y + 27
so,
Coefficient of y² is 9 in term of 9y²
Answered by
39
Answer:
9 is the coefficient
Step-by-step explanation:
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