" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
m1/m2 = -1
y-y1 = m (x-x1)
y-4 = -1 (×+3)
y-4=-× -3
y =-× + 4
×+y = 4 c . :)