Question

1/5-2√2 rationalize the ddenominator

Answer 1

Answer:

For rationalize, Multiply the fraction with root 2

Explanation:

1/5 - 2/ root2 × root2/root2

= 1/5 - 2 root 2/2 Lcm = 10

= 2/10 - 10root2/10

= (2-10root2 )/ 10

Thnknu hope it hlpz

Answer 2

1/5-2√2

=1(5+2√2)/(5-2√2)(5+2√2)

=(5+2√2)/ (5)2-(2√2)2

=(5+2√2)/25-8

=5+2√2/17