alleryIn the expansion of a binomial squared, how many terms appear?
AThree
BNine
CSeven
DTwelve
Answer & Solution
Correct answer: A. Three
1. The number of terms is one more than the index.
2. Here the index is two.
3. In the expansion of a binomial to index 2, the number of terms is 3.
4. So the answer is three.
_Source: syllabus Mathematics, Ch 7 'Binomial Theorem'_
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