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Use the Binomial Theorem to find the indicated coefficient or term.

Use the Binomial Theorem to find the indicated coefficient or term.

asked Feb 16, 2015 in PRECALCULUS by anonymous
reshown Feb 16, 2015 by goushi

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1 Answer

Step 1:

The expression is .

The general term of binomial expansion is .

Find the general term for by substituting , and in .

Apply product rule in exponents .

Find by equating and .

.

Step 2:

Find the coefficient by substituting in .

The coefficient of is .

Solution:

The coefficient of is .

answered Feb 18, 2015 by Sammi Mentor
edited Feb 18, 2015 by Sammi

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