Compute the derivative of the function:

f$($x$)=(5$x$^34$x$+1/$x$)^6.$

Select one:

a$.$

$6(5$x$^34$x$+1/$x$)^5(15$x$^24$x$^2)$

b$.$

$6(5$x$^34$x$+1/$x$)^5$

c$.$

$(5$x$^34$x$+1/$x$)5(15$x$^24$x$^2)$

d$.$

$6(5^34+1/)^5(15^24+^2)$