How do you find the derivative of #x+4/x#?
1 Answer
Oct 19, 2015
See the explanation.
Explanation:
# = d/dx(x)+4d/dx(1/x)#
# = d/dx(x)+4d/dx(x^(-1))#
# = 1 + 4(-1x^-2)#
# = 1-4/x^2#
Or, more briefly:
# = 1-4x^-2#
# = 1-4/x^2#