Let the coefficients of powers of x in the 2nd, 3rd and 4th terms in the expansion of (1 +x)n where is a +ive integer be in arithmetic progression. Then the sum of the coefficients of odd power of x in the expansion is
Answers
Answered by
3
Here is ur answer
Hope It helps you
Attachments:
muqaddasishaq987:
in answer we required sum of the odd coefficient
not the value of n
You can just raise the n to the power of 2 to get the answer. In this case 2^7 :)
Similar questions