If a, b, C are in A. P how much b-a/ b-c?
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Answered by
0
Answer:
Step-by-step explanation:
Answered by
0
Answer:
-1
Step-by-step explanation:
2b = a+c
2b = a+cb+b= a+c
b-a = c-b
b-a = -(b-c)
b-a / b-c = -1
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