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For the given term, find the binomial raised to the power, whose expansion it came from: 10(4x)2(−y)3

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asked Sep 2, 2015 in PRECALCULUS by anonymous

1 Answer

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The Binomial Theorem :

 .

The (r - 1)th term is .

The given term is image.

Compare image with term .

image

The y - term, image.

The x - term, image.

Find coefficient by using n = 5 and r = 3

image

image.

The Binomial expansion is image.

answered Sep 2, 2015 by anonymous
edited Sep 2, 2015

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