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The line passing through the points (3,-...

The line passing through the points `(3,-4) and (-2, 6) and ` a line passing through `(-3, 6) and (9, -18)`

A

are perpendicular

B

are parallel

C

make an angle `60^(@)` with each other

D

none of these

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The correct Answer is:
B
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TARGET PUBLICATION-STRAIGHT LINE -COMPETITIVE THINKING
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