Can someone please help me with this?
Thank you!
Thank you!
But I don't understand, why do we multiply by ?
Because I almost got to the same conclusion by using this method
then I multiplied to make the denominators the same.
Then I followed the standard procedure for dividing fractions, in other words I multiplied x by the reciprocal
and then I also got
but then I don't understand, how one gets rid of the minus below?