tentukan HP sistem persamaan berikut 4/x - 3/y = 1 6/x - 3/y = 4
Matematika
anandeivaa
Pertanyaan
tentukan HP sistem persamaan berikut
4/x - 3/y = 1
6/x - 3/y = 4
4/x - 3/y = 1
6/x - 3/y = 4
2 Jawaban
-
1. Jawaban subebe
4/x -3/y = 1
6/x -3/y = 4
- 2/x = -3
-2 = -3x
x = 2/3
4/2/3 - 3/y = 1
12/2 - 3/y = 1
6 - 3/y = 1
5 = 3/y
y = 3/5 -
2. Jawaban udink
4/x - 3/y = 1
6/x - 3/y = 4
-2/x = -3
[tex]x= \frac{-3}{-2} = \frac{3}{2} \\ maka \\ \frac{3}{y} = \frac{4}{ \frac{3}{2} } -1 \\ y= \frac{3}{ \frac{5}{3} } = \frac{9}{5} [/tex]
Jadi HP = {3/2, 9/5}