Question

What is the sum of first 'n' odd positive intigers

Answer 1

Answer:square of 'n'

Step-by-step explanation:

Answer 2

Answer:

Ap:1,3,5,7,....

A=1,d=2,n=n

Sn=n/2(2a+(n-1)d)

Sn=n/2(2+(n-1)2)

=n/2(2+2n-2)

=n/2(2n)

=n*n

=n²

Hope it helps u....^_^