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If first and (2n-1)^th terms of an AP, ...

If first and `(2n-1)^th` terms of an AP, GP. and HP. are equal and their nth terms are a, b, c respectively, then (a) a=b=c (b)a+c=b (c) a>b>c and `ac-b^2=0` (d) none of these

A

`a+c =2b`

B

`a ge b ge c`

C

`(2ac)/(a +c) =b`

D

` a c = b ^(2)`

Text Solution

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The correct Answer is:
B, D
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Knowledge Check

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