6th term in expansion of (2x2−13x2)10 is
458017
- 89627
558017
None of these
Applying Tr+1 = nCrxn−rd for (x+a)n
Hence T6 = 10C5(2x2)5(- 13x2)5
= - (10!5!5!)(32) (1243) = - 89627