Solution:
In this case, the first n natural numbers are 1, 2, 3, 4, 5,……..,n
Here,
a = 1 and d = (2 – 1) = 1
Sum of the n terms of an AP is given by:
Solution:
In this case, the first n natural numbers are 1, 2, 3, 4, 5,……..,n
Here,
a = 1 and d = (2 – 1) = 1
Sum of the n terms of an AP is given by: