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If p^(th), q^(th), r^(th) terms of a geo...

If `p^(th), q^(th), r^(th)` terms of a geometric progression are the positive numbers a,b,c respectively, then the angle between the vectors `(log a^(2)) I + (log b^(2)) j + (log c^(2))k` and (q - r) I + (r - p) j + (p - q) k is

A

`(pi)/(3)`

B

`(pi)/(2)`

C

`"sin"^(-1) (1)/(sqrt(a^(2) + b^(2) + c^(2)))`

D

`(pi)/(4)`

Text Solution

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The correct Answer is:
B
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