Question

prove that (a+b)^-1 (a^-1 + b^-1) = (ab)^-1​

Answer 1

Step-by-step explanation:

1/(a+b)(1/a+1/b)

=1/(a+b)(a+b/ab)

=a+b/ab(a+b)

=1/(ab)...............a+b canel because they are divide...

so, LHS=RHS

HERE it answer pls mark it brainlist ....pls