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MathsMediumMCQ2013 ยท 23 Apr Online

Q65.The sum of the rational terms in the binomial expansion of 1 1 10 is : 2 + 3 5 ) (2 (1) 25 (2) 32 (3) 9 (4) 41

What This Question Tests

The problem requires writing the general term of the binomial expansion and then applying conditions for the powers of the bases to be integers for the term to be rational, then summing these rational terms.

Concepts Tested

Binomial theorem general termConditions for terms to be rational

Formulas Used

T_(r+1) = nCr * x^(n-r) * y^r

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