Butuh bantuan teman2. Trims banyak
Matematika
bellschlau
Pertanyaan
Butuh bantuan teman2. Trims banyak
2 Jawaban
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1. Jawaban teguh088
¹²⁵log (2x-3)⁻¹ = ²⁵log (5x²-20x+24)⁻¹/³
log (2x-3)⁻¹/log 125 = log (5x²-20x+24)⁻¹/³ / log 25
log (2x-3)⁻¹/log 5³ = log (5x²-20x+24)⁻¹/³ / log 5²
-1 log (2x-3) / 3 log 5 = -1/3 log (5x²-20x+24) / 2 log 5
-1/3 log (2x-3) = -1/3 x 1/2 log (5x²-20x+24)
log (2x-3) = 1/2 log (5x²-20x+24)
2 log (2x-3) = log (5x²-20x+24)
log (2x-3)² = log (5x²-20x+24)
hilangkan log
(2x-3)² = (5x²-20x+24)
4x²-12x+9 = 5x²-20x+24
x²-8x+15 = 0
(x-3)(x-5)
x₁ = 3
x₂ = 5 -
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