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If the lines (x-1)/(-3)=(y-2)/(2k)=(z-3)...

If the lines `(x-1)/(-3)=(y-2)/(2k)=(z-3)/(2)a n d(x-1)/(3k)=(y-5)/1=(z-6)/(-5)` are at right angel, then find the value of `kdot`

A

`-10/7`

B

`-7/10`

C

`-10`

D

`-7`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-THREE DIMENSIONAL GEOMETRY -ASSIGNMENT SECTION - A
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