Question

. If 21, a, b and -3 are in A.P., then find the value of (a + b).​

Answer 1

Answer:

answer is value of a is 18

value of b is 24

Step-by-step explanation:

Hope it will help you

Answer 2

$\huge{\mathcal{\purple{A}\green{N}\pink{S}\blue{W}\purple{E}\green{R}\pink{!}}}!$

• 42 is the answer
• hope it will help you!!