SOLUTION: Find the coefficient a of the given term in the expansion of the binomial. Binomial (x + 9)^12 Term ax^3

Question 1179418: Find the coefficient a of the given term in the expansion of the binomial.
Binomial
(x + 9)^12
Term
ax^3
Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Binomial

we need this term:

=
=
Answer by ikleyn(52790)   (Show Source): You can put this solution on YOUR website!
.
Find the coefficient a of the given term in the expansion of the binomial.
Binomial
(x + 9)^12
Term
ax^3
~~~~~~~~~~~~~~~

They want you determine the term with x^3, ax^3, in the binomial expansion = . The term with x^3 is = = , so the coefficient "a" under the problem's question is 85232507580. ANSWER

Solved.

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See the lessons
    - Binomial Theorem, Binomial Formula, Binomial Coefficients and Binomial Expansion
    - Remarkable identities for Binomial Coefficients
    - The Pascal's triangle
    - Solved problems on binomial coefficients
in this site.

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"Binomial expansion, binomial coefficients, Pascal's triangle".

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