Question 1033553
Find the seventh term of (x+3)^9 
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The coefficients of that expansion are::
9C9, 9C8, 9C7,...9C3,9C2,9C1,9C0
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Ans: (9C3)x^3*3^6 = 84x^3*729 = 61236x^3
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Cheers,
Stan H.
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