1+3+5+7+........... Nth order value

If the initial term of an arithmetic progression isand the common difference of successive members isd, then thenth term of the sequence () is given by:

= 1

d=2

so,

nth order term is = 1+(n-1)*2

=2n-1

Thanks & Regards
Saurabh Singh,
askIITians Faculty
B.Tech.
IIT Kanpur