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MathsMediumNumerical2022 ยท 28 Jun Shift 1

Q83.The number of positive integers k such that the constant term in the binomial expansion of 12 (2x3 + xk3 ) , x โ‰ 0 is 28 โ‹…l, where l is an odd integer, is ______.

What This Question Tests

This problem involves finding the general term of a binomial expansion, identifying the condition for the constant term, and then solving for the possible integer values of k based on the coefficient.

Concepts Tested

General term in binomial expansionFinding the constant termProperties of exponents

Formulas Used

Tr+1 = nCr * a^(n-r) * b^r

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