Question

If root(2) is irrational prove that 5-3root(2) is irrational

Answer 1

jhaa par minus ka sihn h wha per plis ka kr dena and jhaa per plus ka whaa per minus kr dena

Answer 2

there are conditions for result irrational no. :
1. Rational no. Subtracted to irrational no. = Irrational no.
2. Rational no. Added to irrational no. = irrational no.
3. Rational no. Multiplied to irrational no. = irrational no.= irrational no.
4. Rational no. Divided to irrational no. = irrational no.
but
in 1,2,3,4 conditions if rational to rational no.or irrational to irrational no. = Result may be rational no. or irrational no.