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Find the 4th terms in (a + b)^8.
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The fourth term of the expansion (a + b)^8 has to be determined.
The binomial expansion gives: `(a + b)^n = sum_(k = 0)^n C(n,k)x^(n-k)*b^k`
The fourth term of (a + b)^8 = C(8, 3)*a^5*b^3 = 56a^5b^3
The 4th term of (a + b)^8 is 56a^5b^3
Posted by justaguide on September 11, 2013 at 7:38 PM (Answer #1)
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