Q. 2 B4.0( 5 Votes )

Find the slopes of a line passing through the following points :

(at21, 2at1) and (at22, 2at2)

Answer :

Given (at21, 2at1) and (at22, 2at2)

To Find: The slope of the line passing through the given points.


The formula used: Slope of line =


So, The slope of the line, m =


m =


m =


[Since, (a2 – b2 = (a – b)(a + b)]


m =


Hence, The slope of the line is


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