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Mathematics

Coordinate-Geometry

Easy

Question

If three points $left parenthesis h comma space 0 right parenthesis comma left parenthesis a comma space b right parenthesis$ and $left parenthesis 0 comma space k right parenthesis$ lie on a line then

ah+bk=1
$\frac{a}{h} + \frac{b}{k} = 1$
ak+bh=1
$\frac{a}{k} + \frac{b}{h} = 1$

The correct answer is: $a over h plus b over k equals 1$

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