Question

prove that 3/2 root5 is irrational.

Answer 1

3/5 is rational, so the question can be simplified into proving root5 is irrational, as rat*irrat=irrat, in the way that 2pi still is.

Answer 2

http://www.homeschoolmath.net/teaching/proof_square_root_2_irrational.php This may help.

Answer 3

Do you need to prove that root 5 is irrational?

Answer 4

no,just have to prove that 3/2 root5

Answer 5

@henpen is 100% right if we prove root 5 irrational
3/2root 5 will automatically be irrational

Answer 6

so go ahead as henpen says
i mean u prove root 5 irrational as root 2 had been proved in given above link