1. Find A.M of a-2, a , a+2 ?
Answers
Answered by
8
Answer:
a
Step-by-step explanation:
The arithmetic mean:
(a-2)+a+(a+2)/3
=> a+a+a+2-2/3
=> a+a+a/3
3a/3
= a
thus the mean is a
Answered by
10
Answer:
a
Step-by-step explanation:
The arithmetic mean:
(a-2)+a+(a+2)/3
=> a+a+a+2-2/3
=> a+a+a/3
3a/3
= a
thus the mean is a
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