Grade 11Algebra
if a,b and c are in arithmetic progression then prove that 2b=a+c?
if a,b and c are in arithmetic progression then prove that 2b=a+c?
2 Answers
rajesh
since b=a+c/2
therefore 2b=a+c
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Vijay Mukati
Dear Student,
If a, b and c are in AP, this means that the comman difference between these numbers will be equal.
i.e. b – a = c – b or 2b = a+c.
Thanks.
If a, b and c are in AP, this means that the comman difference between these numbers will be equal.
i.e. b – a = c – b or 2b = a+c.
Thanks.
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