Find the coefficient of x^5 in (x+3)^8 | Filo
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Class 11



Binomial Theorem

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Find the coefficient of in

Solution: It is known that th term  in the binomial expansion of
 is given by 
Assuming that  occurs in the th term of expansion  we obtain 
Comparing the indices of in  and in , we obtain
Thus, the coefficient of is 

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Similar Topics
complex number and quadratic equations
sequences and series
binomial theorem