Question

Find the sum 3 + 5 + 7 + ..... up to n terms​

Answer 1

formula is n + 1 ÷2-1 =x square

thank you

hope it helps you

since I don't get the question

Answer 2

Answer:

n(n+2)

Step-by-step explanation:

3+5+7.......to n terms

Sn=n/2[2a+(n−1)d]

=n/2[2×3+(n−1)2]

=n/2[6+2n−2]

=n/2[2n+4]

=n(n+2)

HOPE IT HELPS