Question

16/root 14-5 rationalize

Answer 1

16/√14-5

=16/√14-5*√14+5/√14+5 (take opposite signs)

=16*(√14+5)/(√14+5)(√14-5)

=16√14+80/√14^2-5^2. ( a+b)(a-b)=a^2-b^2

=16√14+80/14-25

=16√14+80/-9