Question

if 18,a,b,-3,are in a.p. then a+b=

Answer 1

Answer:

a+b=15

Step-by-step explanation:

If 18,a,b,-3 are in AP then:

a-18=-3-b

a+b=18-3

a+b=15

here is the answer

Answer 2

Step-by-step explanation:

Please see the photo Hope it helps you a lot