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Given a fixed point and a straight line, find the normal equation of the straight line passing through the point

2022-06-30 07:33:00 【RobotLife】

Linear equation ：
a x + b y + c = 0 ax + by + c = 0 ax+by+c=0
spot ：
( x 0 , y 0 ) (x_0, y_0) (x0​,y0​)
Normal equation of straight line passing through point ：
b x − a y + ( − b x 0 + a y 0 ) = 0 bx-ay+(-bx_0+ay_0) = 0 bx−ay+(−bx0​+ay0​)=0

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