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If (m + 1)th, (n + 1)th and (r + 1)th te...

If (m + 1)th, (n + 1)th and (r + 1)th terms of an A.P. are in G.P. and m, n, r are in H.P., then the ratio of the first term and common difference of this A.P. is

A

`-2/n`

B

`2/n`

C

`-n/2`

D

`n/2`

Text Solution

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The correct Answer is:
A
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