Question

show that 169 8is the sum of 13 odd natural number​

Answer 1

Answer:

169

Step-by-step explanation:

To Find : Express 169 as the sum of 13 consecutive odd natural numbers

Solution:

First odd natural number = 1

Second odd natural number = 3

Third odd natural number = 5

So, It form AP 1,3,5...

Common difference d = 3-1=5-3=2

first term = a= 1

n = no. of terms = 13

Sum of first n terms = \frac{n}{2}(2a+(n-1)d)

Sum of first 13 terms = \frac{13}{2}(2+(13-1)2)

= 169

hence prof

Answer 2

Answer:

1+3+5+7+9+11+13+15+17+19+21+23+25

hope this helps...