Question

Are these equations rational or irrational and why??

Answer 1

O.o To prove them is not trivial!

Answer 2

The second is relatively simple, can you do that one? Possibly the third one as well?

Answer 3

I don't kno how, that's why i'm asking for some help.

Answer 4

Do you know what the definitions of rational and irrational numbers are?

Answer 5

Irrational numbers are numbers that cannot be expressed as a ratio of two integers.

Answer 6

And rational numbers are numbers which can be expressed as a fraction of two integers ^_^

Answer 7

So do you think you can express the second one in terms of a fraction of two integers?

Answer 8

Yes for the second one, it's rational

Answer 9

:)

Answer 10

How about the fourth one? Can you express that as a rational number?

Answer 11

The first one is irrational, the second rational, third is irrational, and the fourth is rational. Am I right?

Answer 12

yup! :)

Answer 13

Lol, any reasoning though? :P