8. If 18, a, b, -3 are in AP, then
a+b = +
O a) 19
Ob) 7
IT
O c) 11
O 015
Answers
Answered by
0
Answer:
7
Step-by-step explanation:
hope it is helpful ❤️
Answered by
0
Answer:
15
Step-by-step explanation:
We know, common difference (d)
=> a - 18 = -3 - b
=> a + b = 18-3 = 15
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