Question

class 10th
Arithmetic Progressions
if a, b, c are in AP, then which of the following
will be in AP?
(1) a^2c, ab^2, bc^2?
(2) 1/bc,1/ca,1/ab
(3) None of these​

Answer 1

Answer:

None of these. Simply consider the set (1, 2, 3) and see the results.

Answer 2

Option 2

Please refer to pic

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