CBSE Class 11-science Answered
if a, b, c, are in a.p show that b+c, c+a,a+b are also in ap
Asked by surain bhandari | 09 Aug, 2010, 09:40: PM
Expert Answer
Let a = a0, b = a0 + d and c = a0 + 2d.
Then b+c = 2a0 + 3d, ... (1)
c+a = 2a0 + 2d .... (2)
a+b = 2a0 + d ...(3),
As we see the terms represented by 1, 2 and 3 are in AP with common difference d, and first term 2a0+d.
Regards,
Team,
TopperLearning.
Answered by | 09 Aug, 2010, 09:45: PM
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