Jawaban:
9x - 6y - 20 = 0
Penjelasan dengan langkah-langkah:
lingkaran x² + y² + 2 x - 4y - 20 titik (3,2)
A = 2
B = -4
C = -20
titik (3,2)
x1 = 3
y1 = 2
persamaan garis singgungnya:
x1x + y1y + A(x1x) + B(y1y) + C = 0
3x + 2y + 2(3x) + (-4)(2y) + (-20) = 0
3x + 2y + 6x - 8y - 20 = 0
_______________________________
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
9x - 6y - 20 = 0
Penjelasan dengan langkah-langkah:
lingkaran x² + y² + 2 x - 4y - 20 titik (3,2)
A = 2
B = -4
C = -20
titik (3,2)
x1 = 3
y1 = 2
persamaan garis singgungnya:
x1x + y1y + A(x1x) + B(y1y) + C = 0
3x + 2y + 2(3x) + (-4)(2y) + (-20) = 0
3x + 2y + 6x - 8y - 20 = 0
9x - 6y - 20 = 0
_______________________________
Mapel : Matematika
Kelas : XI
Materi : Persamaan Garis Singgung Lingkaran