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In every term of the expansion, the sum of the two indices equals the:
AIndex of the base
BIndex of the bound
CIndex of the batch
DIndex of the bracket
Answer & Solution
Correct answer: D. Index of the bracket
1. The sum is the same in every term.
2. It matches the power the bracket is raised to.
3. It equals the index of a plus b.
_Source: NCERT Class 11 Mathematics, Ch 7 'Binomial Theorem'_
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