Question

(m+n)$(m+n)^{-1} (m^{-1}+n^{-1})\\\\Please answer first, without spamming for brainliest and thanks$

Answer 1

Answer:

1/mn

Step-by-step explanation:

(m+n)^-1 (m^-1 + n^-1) = 1/(m+n) (1/m +1/n)=

=  1/(m+n) (n/nm + m/nm)

=1/(m+n) ( (m+n)/nm)  =1/nm