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OpenStudy (anonymous):
I'm in need of MAJOR help.. I have a test tomorrow in calc 1 for engineers and I'm so lost! Find d^2y/dx^2 a). sinx+x^2y=1 b). e^(2y)+x=y PLEASE help explain how to do these
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OpenStudy (anonymous):
When you take the derivative of a y term, multiply by dy/dx
OpenStudy (anonymous):
cosx+2x*dy/dx=0?
OpenStudy (anonymous):
close. you actually have to use the product rule for the x^2y part
OpenStudy (anonymous):
x^2 is one function and y is the other
OpenStudy (anonymous):
cos x + 2xy + x² dy/dx = 0
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OpenStudy (anonymous):
okay so whats the next step, take the derivative of that?
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