Algebra
C0 – C1 + C2 – C3 + C4 – …...(-1)^n Cn = 0 where C denotes coefficient of (1+x)^n. In proving this we assume x= – 1.Why??
C0 – C1 + C2 – C3 + C4 – …...(-1)^n Cn = 0
where C denotes coefficient of (1+x)^n. In proving this we assume x= – 1.Why??
