lxl4565 lxl4565

02-01-2018
Advanced Placement (AP)

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If y= x^2-2x and u=2x+1, then (dy/du) =

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Kalahira Kalahira

12-01-2018

given:
y= x^2-2x
u=2x+1
y = x^2 -2
dy/dx = 2x
u = 2x + 1
du/dx = 2
dx/du = 1/2
dy/du = dy/dx * dx/du
dy/du = 3x * 1/2
dy/du = 3x/2
Answer: dy/du = 3x/2

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