jawaban terlampir semoga membantu
Keliling
2x + y = 800
atau
y = 800 - 2x
maka
L = panjang x luas
L = [ x ] . [ y ]
L = [ x ] . [ 800 - 2x ]
L = 800x - 2x²
pakai turunan
f(L) = 800x - 2x²
f'(L) = 800 - 4x
x = 800/4
x = 200
maka Luas max adalah
L = x . y
L = x . [ 800 - 2x ]
L = 200 . [ 800 - 2[200] ]
L = 200 . [ 800 - 400 ]]
L = 200 . [ 400 ]
L = 80.000 m²
Simak lebih lanjut di Brainly.co.id - brainly.co.id/tugas/5681580#readmore:
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jawaban terlampir semoga membantu
Keliling
2x + y = 800
atau
y = 800 - 2x
maka
L = panjang x luas
L = [ x ] . [ y ]
L = [ x ] . [ 800 - 2x ]
L = 800x - 2x²
pakai turunan
f(L) = 800x - 2x²
f'(L) = 800 - 4x
x = 800/4
x = 200
maka Luas max adalah
L = panjang x luas
L = x . y
L = x . [ 800 - 2x ]
L = 200 . [ 800 - 2[200] ]
L = 200 . [ 800 - 400 ]]
L = 200 . [ 400 ]
L = 80.000 m²
Simak lebih lanjut di Brainly.co.id - brainly.co.id/tugas/5681580#readmore: