Question

Please help me with this question

Answer 1

Answer:

we cn write value having root which r prime no. too ..that is√5 n √3

Answer 2

Answer:

let a= 5/7

and

b=15/28

according to the question

a/b should be a rational number

therefore a/b = (5/7)/(15/28)

= (5/7)*(28/15)

=4/3

4/3 is a rational number.

Step-by-step explanation:

hope it helps you