Transformasi
Pencerminan dan Matriks Tunggal
3x + y - 2 = 0 dicerminkan T1 (y =x) --> 3y + x - 2 = 0....(1)
, dilanjutkan T2 (2..3|1..2|
(x',y') = [2 3][1 2] [x][y]
2x + 3y = x'
x + 2y = y'
eliminasi
2x+4y = 2y'
...(-) -----------> y = -x' + 2y' .....(2)
x + 2(-x' +2y') = y' -----> x = 2x' - y' ....(3)
(2)dan (3) subs ke (1) 3y +x -2 = 0
3(-x'+2y') + (2x' -y') - 2 = 0
-3x' +6y' +2x' -y' -2 = 0
-x' +5y' - 2 = 0
atau x - 5y + 2 = 0
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Transformasi
Pencerminan dan Matriks Tunggal
3x + y - 2 = 0 dicerminkan T1 (y =x) --> 3y + x - 2 = 0....(1)
, dilanjutkan T2 (2..3|1..2|
(x',y') = [2 3][1 2] [x][y]
2x + 3y = x'
x + 2y = y'
eliminasi
2x + 3y = x'
2x+4y = 2y'
...(-) -----------> y = -x' + 2y' .....(2)
x + 2y = y'
x + 2(-x' +2y') = y' -----> x = 2x' - y' ....(3)
(2)dan (3) subs ke (1) 3y +x -2 = 0
3(-x'+2y') + (2x' -y') - 2 = 0
-3x' +6y' +2x' -y' -2 = 0
-x' +5y' - 2 = 0
atau x - 5y + 2 = 0