Question

prove that 2 root 3 minus 7 is an irrational number

Answer 1

Answer:

HI HERE IS UR ANSWER

Step-by-step explanation:

let us assume contrary that 7-2root3 is rational

so,,,. 5-2root 3=p/q

root3=p/q upon 5-2

since p/q is rational and root 3 is also rational this contradiction has arisen due to our wrong  assumption that 5-2root3 is rational

so,,,,.5-2root3 is irrational..

hope it helps u