Q. 95.0( 1 Vote )

# Which term is ind

To find: the term independent of x in the expansion of?

Formula Used:

A general term, Tr+1 of binomial expansionis given by,

Tr+1 nCr xn-r yr where

nCr

Now, finding the general term of the expression, , we get

Tr+19Cr

Tr+19Cr

Tr+19Cr

For finding the term which is independent of x,

9-3r=0

r=3

Thus, the term which would be independent of x is T4

Thus, the term independent of x in the expansion of is T4 i.e 4th term

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