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y=m(1)x+c(1),y=m(2)x+c(2) and x=0 are th...

`y=m_(1)x+c_(1),y=m_(2)x+c_(2)` and `x=0` are the sides of a triangle whose area is `1/2((c_(1)-c_(2))^(2))/(m_(1)-m_(2))`.

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