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The distance of the point (1,2,3) form t...

The distance of the point (1,2,3) form the coordinate axes are A,B and C respectively. `A^2=B^2+C^2`, `B^2=2C^2`, `2A^2C^2=13B^2` which of these hold (s) true? (A) 1 only (B) 1 and 3 (C) 1 and 2 (D) 2 and 3

A

Only I

B

I and III

C

I and II

D

II and III

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The correct Answer is:
D
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DISHA PUBLICATION-STRAIGHT LINES AND PAIR OF STRAIGHT LINES-EXERCISE 1: CONCEPT BUILDER
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