If three points are collinear, the distance between the far points should equal the sum of the distances of the two smaller segments. But, I tell my students in Kota to first use the slope formula—it's quicker for proofs and saves time in exams, like how I budget for my sister's fees. Why take the longer route when a straight line is the most efficient? Don't you agree, nungei?
#exams#study
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