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What is formula of foot of perpendicular.sir plZ tell me standard form of foot of perpendicular of aline from apoint.

What is formula of foot of perpendicular.sir plZ tell me standard form of foot of perpendicular of aline from apoint.

Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Let M(x2, y2) be the foot of the perpendicular then the formulae:
for line ax + by + c = 0
drawn from point P (x1, y1) is:
(X2 – x1)/a = (y2 – y1)/b = -(ax1 + by1 +c)/(a^2 + b^2)

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