Now... I am sure that solutioin is not defined for a=0, but can I reduce the fraction to:
,
without any notes, or do I have to state that reduction of fraction is only posible for not equal 3? Or in other words, is a=3 also a solution?
Now... I am sure that solutioin is not defined for a=0, but can I reduce the fraction to:
,
without any notes, or do I have to state that reduction of fraction is only posible for not equal 3? Or in other words, is a=3 also a solution?