turunan pertama dri :
• f(x) = 3x³- 4x² - x + 100
• f(x) = 2x³ - 4x + 1
300 lgi
Turunan pertama
Bagian (i)
[tex]\rm{ f(x) = 3x^{3 } - 4x^{2 } - x + 100}[/tex]
[tex]\rm{ f'(x) = 3 \: . \: 3x^{3 \: - \: 1 } - 2 \: . \: 4x^{2 \: - \: 1 } - x^{1 \: - \: 1 } + 0}[/tex]
[tex]\rm{ f'(x) = 9x^{2} - 8x^{1} - x^{0}}[/tex]
[tex]\rm{ f'(x) = 9x^{2} - 8x - 1}[/tex]
Bagian (ii)
[tex]\rm{ f(x) = 2x^{3} - 4x + 1}[/tex]
[tex]\rm{ f'(x) = 3 \: . \: 2x^{3 \: - \: 1} - 1 \: . \: 4x^{1 \: - \: 1} + 0}[/tex]
[tex]\rm{ f'(x) = 6x^{2} - 4x^{0}}[/tex]
[tex]\rm{ f'(x) = 6x^{2} - 4}[/tex]
f(x) = 3x³ - 4x² - x + 100
f'(x) = 3 × 3x² - 2 × 4x - 1
f'(x) = 9x² - 8x - 1
[tex] \\ [/tex]
f(x) = 2x³ - 4x + 1
f'(x) = 3 × 2x² - 4
f'(x) = 6x² - 4
[answer.2.content]