Answer:
dy/dx = 
Step-by-step explanation:
-y + 2x²- x = -5y³
2x² - x = y - 5y³
4x - 1 = dy/dx - 15y².dy/dx
dy/dx(1 - 15y²) = 4x - 1
dy/dx = 
Step-by-step explanation:
x=20
y=100
solution in image
You didn't enter a valid question.
Answer:
Khan Academy's answer is 4/35.
Step-by-step explanation:
4/5 * 1/7 = 4/35