Alevel数学题?1.P is the point (7.5) and L1 is the line with equation 3x+4y=16(1).Find out the equation of the line L2 which passes through P and is perpendicular to L2.(2).Find the point of intersection of the L1 and L2.(3).Find the perpendicular distance of P from the line L1.

问题描述:

Alevel数学题?
1.P is the point (7.5) and L1 is the line with equation 3x+4y=16
(1).Find out the equation of the line L2 which passes through P and is perpendicular to L2.
(2).Find the point of intersection of the L1 and L2.
(3).Find the perpendicular distance of P from the line L1.