In DeltaABC the mid points of the side...

In `DeltaABC` the mid points of the sides AB, BC and CA are
`(l, 0, 0), (0, m, 0) and (0, 0,n)` respectively.
Then, `(AB^2+BC^2+CA^2)/(l^2+m^2+n^2)` is equal to

A

(a) `2`

B

(b) `4`

C

(c) `8`

D

(d) `16`

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The correct Answer is:

C

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