Question

In an AP, if d = -2, n = 5 and a.n = 0, the value of a is______​

Answer 1

3 is the answer.

-2-5=3.

Answer 2

Answer:

a=8

Step-by-step explanation:

an=a+(n-1)d

0=a+(5-1)-2

0=a+4x-2

0=a+(-8)

0=a-8

a=8