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Binomial Theorem


6th term in expansion of (2x213x2)10 is
Options:
A. 458017
B. - 89627
C. 558017
D. None of these

 Next Question
Answer: Option B
: B

Applying Tr+1 =nCrxnrd for (x+a)n Hence T6 =10C5(2x2)5(- 13x2)5 = - (10!5!5!)(32) (1243) = - 89627

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