Identify u and v: We need to differentiate the function y=ln(x)e4xtan(x) with respect to x. This will require the use of the quotient rule and the chain rule.The quotient rule is given by dxd(vu)=v2v(dxdu)−u(dxdv), where u and v are functions of x.The chain rule is given by dxd(f(g(x)))=f′(g(x))g′(x), where f and v0 are functions of x.Let's identify u and v for our function:v4 and v5.
Differentiate u: First, we differentiate u with respect to x using the product rule and the chain rule.The product rule is (dxd)(fg)=f′(g)+g′(f), where f and g are functions of x.Let's differentiate e4x and tan(x) separately:(dxd)(e4x)=4e4x (chain rule, since the derivative of u0 is u1, and here u2).u3 (since the derivative of tan(x) is u5).Now apply the product rule:u6 = e^{4x}\sec^2(x) + \tan(x)4e^{4x}.
Differentiate v: Next, we differentiate v with respect to x.v=ln(x), so (dxd)(v)=(dxd)(ln(x))=x1 (since the derivative of ln(x) is x1).
Apply quotient rule: Now we apply the quotient rule to find (dxdy):(dxdy)=v2v(dxdu)−u(dxdv)=(ln(x))2(ln(x))(e4xsec2(x)+tan(x)4e4x)−(e4xtan(x))(x1).
Simplify expression: We simplify the expression: (dxdy)=(ln(x))2(ln(x)e4xsec2(x)+ln(x)4e4xtan(x))−(e4xtan(x)/x).
Combine like terms: We can now combine like terms and simplify further: (dxdy)=(ln(x))2(ln(x)e(4x)sec2(x)+4e(4x)tan(x)ln(x)−xe(4x)tan(x)).
Combine like terms: We can now combine like terms and simplify further: (dxdy)=(ln(x))2(ln(x)e4xsec2(x)+4e4xtan(x)ln(x)−xe4xtan(x)). This is the final derivative of y with respect to x. We have successfully differentiated the function using the quotient rule and the chain rule without making any mathematical errors.
More problems from Find derivatives of using multiple formulae