Question

check whether 7 root 5 and 7/root 5 are irrational numbers or not​

Answer 1

Answer:

• let we take LCM of the no 7
• then we will make a pair
• 7 is odd no
• so 7 is irrational number

I hope with the help of it you can solve all question

thankyou

Answer 2

Answer:

√5 id not a perfect square, so 7√5 is not a perfect square. So it is irrational.

7/√5 = 7×√5/(√5×√5) = 7√5/5

this is irrational