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Binomial Expansion? Help!!

Eighty problems in ten minutes. What's so hard about that?
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Binomial Expansion? Help!!

Postby josephchi » Wed Apr 25, 2012 4:42 pm

Is there a way to figure out this problem?
Find the sum of the coefficients of the binomial expansion of (7x + 3y)^5
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Re: Binomial Expansion? Help!!

Postby josephchi » Wed Apr 25, 2012 4:48 pm

Oh... and another question. Is there a faster way to do this problem? This takes me like 1 minutes to answer, and that takes way too much time.
(x - 6)/4 + (4 x)/6 = x/2
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Re: Binomial Expansion? Help!!

Postby 88bobcat » Wed Apr 25, 2012 5:13 pm

[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]
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Re: Binomial Expansion? Help!!

Postby 88bobcat » Wed Apr 25, 2012 5:20 pm

[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]
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