Question

8. If 18, a, b, -3 are in AP, then
a+b = +
O a) 19
Ob) 7
IT
O c) 11
O 015​

Answer 1

Answer:

7

Step-by-step explanation:

hope it is helpful ❤️

Answer 2

Answer:

15

Step-by-step explanation:

We know, common difference (d)

=> a - 18 = -3 - b

=> a + b = 18-3 = 15