Question

prove that c0+c1+c2------+cn=2n​

Answer 1

Related Questions (More Answers Below). How do I prove that C1^2-2C2^2+3C3^2-… +(-1) ^n Cn^2 is equal to ((-1) ^ ((n/2)-1)) (n/2) (n!

Answer 2

(1+x)^n=C0+C1x+C2x^2+ ----------- +Cn x^n

put x=1

(1+1)^n=C0+C1+C2+ ----------+Cn

C0+C1+C2+ ---------- +Cn =2^n