Question
Download Solution PDFIf the constant term in the expansion of
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
In the binomial expansion of (a + b)n, the term which does not involve any variable is said to be an independent term.
The general term in the binomial expansion of (a + b)n is given by:
Calculation:
Given: The constant term in the expansion of
i.e the independent term of
Let (r + 1)th term be the independent term.
∵ (r + 1)th term is the independent term
⇒ k = ± 3
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