Answer :

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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