Question

what is the sum of the first towo odd numbers? what s the sum of the first three odd numbers? what is the sum of the first 4,5 and 25 odd numbers? what is the sum of any number (n) of odd numbers?
explain your reasoning.


IM SORRY I DO NOT UNDERSTAND THE QUESTIONS PLEASE CAN YOU HELP ME?

ND thank you

Answer 1

1+3=4

1+3+5=9

1+3+5+7=16

1+3+5+7+9=25

You just square how many consecutive odd numbers you're adding together. So it's n^2.