Questions
The foot of the perpendicular on the line drawn from the origin is C. If the line cuts the x-and the y-axis at A and B, respectively, then is
a
1:3
b
3:1
c
1:9
d
9:1
detailed solution
Correct option is D
tan1800−θ= slope of AB=-3tanθ=3∴OCAC=tanθ,OCBC=cotθor ACBC=tanθcotθ=tan2θ=9Talk to our academic expert!
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In ABC, equation to AB is 2x+3y-5=0, altitude through A is x-y+4=0 and altitude through B is 2x-y-1=0. Then the vertex C is
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