Question

prove that (under root 2 - 3) cube is irrational​

Answer 1

Answer:

By contradiction, say 3√2 is rational. then 3√2=ab in the lowest form, where a,b∈Z,b≠0. ... b3=4k3, therefore 2|b. Contradiction, a and b have common factor of two.

Answer 2

Answer:

shehnaj class 10thc..