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If a, b, c are in A.P. and a^2, b^2, c^2...

If a, b, c are in A.P. and `a^2`, `b^2`, `c^2` are in H.P then

A

a) a = b = c

B

b) 2b = 3a + c

C

c) `b^2 = sqrt((ac)/8)`

D

d) 2c = 2b + a

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