Question

6. Without adding, find the sum.
(1) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15
(ii) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29​

Answer 1

Answer:

The sum of first n odd number is

${n}^{2}$

So i)64

ii)225

Answer 2

Answer:

you have answer or joking