Question

Express in the simplest form...
$\frac{1}{ab} + \frac{1}{bc} + \frac{1}{ca}$
​

Answer 1

ANSWER

In order to express it in simplest form go through the following steps as shown :

$\frac{1}{ab} + \frac{1}{bc} + \frac{1}{ca}$

$\color{magenta} \: {\underline{\boxed{\large{\rm{\frac{c + a + b}{abc} }}}}}$

$\frac{a + b + c}{abc}$

Hope this helps you !!