Q. 1. Prove that √5 is irrational.; Q. 2. Prove that 3+2√5 is irrational.; Q. 3. Prove that followings are irrationals. (i) 1/(√2) , (ii) 7√5 and (iii) (6+√2)
NCERT, 10th class, chapter 1, Real Number, Exercise 1.2- full explanation of every question
