Question

If an=2n-3;then a1+a5=
OPTIONS:
A)7
B)8
C)9
D)6. I need the answer along with the reason pls.​

Answer 1

Answer:

Answer is 6.

Step-by-step explanation:

We have, an = 2n -3

Now put n = 1 then,

a1 = 2(1) - 3 = -1

Now put n = 5 then,

a5 = 2(5) - 3 = 7

Thus, a1 + a5 = -1 + 7 = 6