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Find Dxy using the rules for finding derivatives. =(5x^2−8)(9x^2−3x+5)
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Jan 18, 2017
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Find Dxy using the rules for finding derivatives.
=(5x^2−8)(9x^2−3x+5)
Mathematics
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Andreas Reiff
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You can do foil method first, to make it easier and to avoid product rule,
y= 45x^4 - 15x³ + 25x² - 72x² + 24x - 40
Simplify like terms,
y= 45x^4 - 15x³ - 47x² + 24x - 40
Now, find derivative,
dy/dx = 180x³ - 45x² - 94x + 24
Deniz Celebi
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Jan 25, 2017
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Deniz Celebi
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