Question

x+y/3a . 6ax-6ay/x²-y²

Answer 1

6ax-6ay=6a(x-y)

x²-y²=(x+y)(x-y)

[(x+y)/(3a)].[(6ax-6ay)/(x²-y²)]=
=[(x+y)/(3a)].[6a(x-y)/(x+y)(x-y)]
=6a/3a
=2