Question
If a , b , c are in Arithmetic Sequences then:
- 2a = b + c
- 2c = a + b
- 3b = 2a + 3c
- 2b = a + c
Hint:
We will find the common diffrence in the given equation and evaluate using the equality.
The correct answer is: 2b = a + c
STEP BY STEP SOLUTION
The given AP is a, b , c
Common differences are equal arithmetic sequence
b - a = c - b
2b = a + c
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