Math, asked by kcharan, 1 year ago

The product of perpendicular from(p,q) to the pair of lines x2-y2:0 is

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Answered by kvnmurty
0
Length of perpendicular from (p,q) on to x - y = 0 is
Absolute value of  (p - q) /√(p²+q²)

Length of perpendicular from (p,q) on to x + y = 0 is
Absolute value of  (p + q) /√(p²+q²)

Now, product of perpendiculars is =  (p² - q²) / (p² + q²)

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