Question
Download Solution PDFThe value of the term independent of x in the expansion of
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
General term: General term in the expansion of (x + y)n is given by:
Calculation:
We have to find term independent of x in
As we know,
⇒
= 8Cr x16 - 2r x-2r
= 8Cr x16 - 4r
For the term independent of x, power of x should be zero
Therefore, 16 - 4r = 0
∴ r = 4
Hence the value is 8C4 = 70
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