Question

For an A.P. 5 + 4 + 3 + 2 + 1 + 0 + (-1) +........... What should be its last term so that sum of all the terms is zero?

Answer 1

Step-by-step explanation:

5 + 4 + 3 + 2 + 1 + 0 + (-1) +... + (-5) = 0

last term = -5