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The foot of the perpendicular on theline...

The foot of the perpendicular on theline `3x+y=lambda` drawn from the origin is C. If the line cuts the x-and the y-axis at A and B, respectively, then BC:CA is

A

`1:2`

B

`3:1`

C

`1:9`

D

`9:1`

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The correct Answer is:
D
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