Question

rationalize the denominator 2-root 7 whole/ 2 + root 7

Answer 1

Step-by-step explanation:

2-√7/2+√7

= 2-√7(2-√7)/2+√7(2-√7)

=(2-√7)²/2²-√7²

=4+7-4√7/4-7

=11-4√7/-3

=-(11-4√7/3

=-11+4√7/3