Question

Tolong beserta lampiran yahhh

Answer 1

→ kurva dan garis singgung ←

x + y = 1

m1 = -a/b = -1

tegaklurus → m2 = -1/m1 = 1

(-2,a)

y = 2x³ + ax + 1

a = 2(-2)³ - 2a + 1

a = -5

y = 2x³ - 5x + 1

Pergasing dg m = 1 dan titik singgung (-2,-5) :

y = m(x - (-2)) + (-5)

y = x - 3 ✔