" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
Jawabgaris x - 2y + 3 =0 → m1 = 1/2
garis singgung tegak lurus → m2 = - 1/m1 = -2
y = x² + 2x - 3
m2 = y' = 2x + 2
2x + 2 = - 2
2x= -4
x = - 2 , y = -3
titik singgung (x,y)= (-2, -3)
per garis singgung 2x + y = 2(-2) + 1(-3)
2x + y = -4 - 3
2x + y = - 7
2x + y + 7= 0