SOLUTION: Differentiate with respect to x, y=(cos2x)/(x^2+3)

Algebra ->  Test -> SOLUTION: Differentiate with respect to x, y=(cos2x)/(x^2+3)      Log On


   

Question 163089: Differentiate with respect to x, y=(cos2x)/(x^2+3)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the product rule and the chain rule.
Product rule: : f(x)=a(x)b(x), f'(x)=a(x)*db/dx+da/dx*b(x)
Chain rule: f(x)=g(h(x))=dg/dh*dh/dx
.
.
.
y=%28cos2x%29%2A%28x%5E2%2B3%29%5E%28-1%29
.
.
.

dy%2Fdx=2xcos%282x%29%2F%28x%5E2%2B3%29%5E%282%29-2sin%282x%29%2F%28%28x%5E2%2B3%29%29