Question

Q no. 1)Use definition of the limit of a sequence to establish the following limits
A) lim (n/n^2+1)=0
B) lim(2n/n+1)=2
C) lim(n^2-1/2n^2+3)=1/2
D) show that
I) lim (1/3^n)=0 ii) lim( 2^n/n!)=0 iii) lim((2n)^1/n)=1