pakai cara (16y^4-1):(2y-1)
Matematika
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Pertanyaan
pakai cara (16y^4-1):(2y-1)
2 Jawaban
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1. Jawaban ErikCatosLawijaya
Mapel : Matematika
Kelas : VIII SMP
Materi : Persamaan Kuadrat
Pembahasan :
(16y⁴ - 1)/(2y - 1)
= (4y² + 1)(4y² - 1)/(2y - 1)
= (4y² + 1)(2y + 1)(2y - 1)/(2y - 1)
= (4y² + 1)(2y + 1)
= 8x³ + 4x² + 2x + 1 -
2. Jawaban arsetpopeye
(16y^4 - 1) : (2y - 1)
= (4y^2 + 1)(4y^2 - 1) : (2y - 1)
= (4y^2 + 1)(2y + 1)(2y - 1) : (2y - 1)
= (4y^2 + 1)(2y + 1)
= 8y^3 + 4y^2 + 2y + 1
Atau
............... 8y^3 + 4y^2 + 2y + 1 ====> hasil
................____________
(2y - 1) √(16y^4 - 1)
................ 16y^4 - 8y^3
................ ------------------ -
............................. 8y^3 - 1
............................. 8y^3 - 4y^2
............................. ----------------- -
........................................ 4y^2 - 1
........................................ 4y^2 - 2y
........................................ ------------- -
................................................... 2y - 1
................................................... 2y - 1
................................................... -------- -
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