The coefficient of the middle term in the expansion of ( ) 2n 4 1 x + + , is (a) ( ) n n 2 2n 4 C + .2 + (b) ( ) ( ) n 2 .2 n 2 ! 1.3.5....2n 3 + + + (c) n 2nC (d) n n 2nC .2
Answers
Answered by
9
option c is the correct answer...........
Answered by
3
Step-by-step explanation:
option c is the correct answer...........
hope it helps
Similar questions