Question

- Simplify each of the following by rationalizing the denominator:
6-4 root 2 ÷ 6+4 root 2
​

Answer 1

Answer:

(6-4√2) (6-4√2) / (6+4√2)(6-4√2)

=( 36 + 32 - 48√2)/ ( 36 - 32)

= (68-48√2) / (4)

= 4 (17-12√2)/ 4

= 17-12√2