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ICSE / ISC eBooks

Example – 3 : Find the equation of the straight line perpendicular to the line 2y – 3x = 4 and passing through (2, 1).

Solution :

(2,1) with slope = -2/3 is

Example – 4 : The line represented by 5x + 4y = 8 and px + 2y = 7 are parallel.Find the value of p.

Solution :

As lines are paralle