" 12."(e^(x)cos x)/(x^(3))

e^(3x)cos 2x

e^(-3x) cos x

Differentatiate ((e^(x)cos x)/x^(3)) using the product rule .

e^(6x)"cos"3x

cos (x^(3).e^(x))

lntegrate the following function with respect to x, x^2 e^(x^3) cos (e^(x^3))

If y=sin x+e^(x), then (d^(2)x)/(dy^(2))= (a) (-sin x+e^(x))^(-1)(b)(sin x-e^(x))/((cos x+e^(x))^(2))(c)(sin x-e^(x))/((cos x+e^(x))^(3))(d)(sin x+e^(x))/((cos x+e^(x))^(3))

int (e ^ (cos x) (x sin ^ (3) x + cos x)) / (sin ^ (2) x) dx

int(e^(x)+cos x)/(e^(x) +sin x) dx