Question

derivada de 2x+1 sobre x2 -7x +12 dx

Answer 1

$f(x)= \frac{2x+1}{x^{2}-7x+12}$
$f´(x)= \frac{2( x^{2} -7x+12)-(2x+1)(2x-7)}{( x^{2}-7x+12)^{2} }$
$\frac{2 x^{2}-14x+24-4 x^{2}+12x+7}{ ( x^{2} -7x+12)^{2} }$