Question

Bantuinnnnnn,,,,,,,,,

Answer 1

Materi SMA kelas berapa?

Answer 2

L1 --> x^2 +y^2 -4x +6y + 12 = 0 --> P(2, -3)
L2 --> x^2 +y^2 +6x -2y +9  = 0 --> P' (-3, 1)

P(x,y) + M(m,n) = P'(x'm y')
P(2,-3)+M(m,n) = P'(-3, 1)

2 + m = - 3 --> m = -5
-3 + n = 1 --> n = 4

m+n = -5 + 4 = -1