Joke Collection Website - Cold jokes - About vector algebra plane equations
About vector algebra plane equations
The equations of the two straight lines have been given
l1 is a parametric equation, and the direction vector of the straight line is the coefficient of t 0 1 1
l1 directly adopts the point-slope formula , the denominator is the direction vector
Question 7, l1 is a point oblique formula
The number subtracted from the numerator is the coordinate of the point on l1
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