Question 473248
I'll do the first one to get you started. Please only post one problem at a time.



sqrt(11)(sqrt(2)-sqrt(6))



sqrt(11)*sqrt(2)-sqrt(11)*sqrt(6)



sqrt(11*2)-sqrt(11*6)



sqrt(22)-sqrt(66)



So {{{sqrt(11)(sqrt(2)-sqrt(6))=sqrt(22)-sqrt(66)}}}