determine the 4th term of (x/3+x/1)^5 – InterviewSolution

1.

determine the 4th term of (x/3+x/1)^5

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Explanation : 4th term = 5C3 (x/3)(x/3)(x/3)*(x/1)(x/1) = 10x*x*x*x*x/27

Answer : 10x*x*x*x*x/27

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