If 18,a,b,-3 are in Ap,then a+b=
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Answered by
14
sum of means = sum of extremes (in an AP)
Therefore, a + b = 18 + (-3)
= 18 - 3
= 15
Answered by
4
Answer:
15
Explanation:
a-18=-3-b
a+b=-3+18
a+b=15
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