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If a^2+b^2+c^2+96=8(a+b-2c), then sqrt(a...

If `a^2+b^2+c^2+96=8(a+b-2c)`, then `sqrt(ab-bc+ca)` is equal to:
यदि `a^2+b^2+c^2+96=8(a+b-2c)` तो, `sqrt(ab-bc+ca)` निम्न में से किसके बराबर है?

A

6

B

`2 sqrt2`

C

4

D

`2 sqrt3`

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