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The length of perpendicular drawn from o...

The length of perpendicular drawn from origin on the line joining `(x', y') and (x'', y''),` is

A

`|(x'y''+x''y')/(sqrt((x''-x')^(2) + (y''-y')^(2)))|`

B

`|(x'y''-x''y')/(sqrt((x''-x')^(2) + (y''-y')^(2)))|`

C

`|(x'y''+x''y')/(sqrt((x''+x')^(2) + (y''+y')^(2)))|`

D

`|(x'y''+x''y')/(sqrt((x''-x')^(2) + (y''+y')^(2)))|`

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The correct Answer is:
B
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