Berapakah : 1. X2 – 5X – 6 > 0 2. (2-5X)/(X-2) ≥ 3
Matematika
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Pertanyaan
Berapakah :
1. X2 – 5X – 6 > 0
2. (2-5X)/(X-2) ≥ 3
1. X2 – 5X – 6 > 0
2. (2-5X)/(X-2) ≥ 3
1 Jawaban
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1. Jawaban NN25
[tex] 1. \: {x}^{2} - 5x - 6 > 0 \\ (x - 6)(x + 1) > 0 \\ hp = x > 6 \: atau \: x < - 1[/tex]
[tex]2. \: \frac{2 - 5x}{x - 2} \geqslant 3 \\ 2 - 5x \geqslant 3(x - 2) \\ 2 - 5x - 3x + 6 \geqslant0 \\ - 8x + 8 \geqslant 0 \\ - 8x \geqslant - 8 \\ x \leqslant 1 \\ hp = x \leqslant 1[/tex]