Question

The coefficient of y inexpansion of (y+3)^3 is​

Answer 1

Answer:

54

Step-by-step explanation:

Step-by-step explanation:

as we know that formulae of

(a-b)whole cube is a^3-3a^2b+3ab^2-b^3.

a=2y

b=3

put in the formulae;

you can get, this type of eq

8y^3-36y^2+54y-27.

so the answer is 54.

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