root 3 is irrational number proof that root 3 is irrational class 10 real numbers rd sharma class 10 real numbers ncert class 10 maths chapter 1 root 3 irrational number proof in hindi real numbers class 10 explanation irrational numbers class 10 sqrt 3 is irrational proof class 10 maths important question #Class10Maths #RealNumbers #IrrationalNumbers #Root3Proof #MathsInHindi #RDSHARMA #NCERTClass10 #Mathematics #BoardExamPreparation #AhsanSirAcademy proof that root 3 is irrational class 10 real numbers class 10 important questions root 3 is irrational proof step by step irrational numbers examples rd sharma class 10 real numbers proof class 10 maths chapter 1 explanation proof by contradiction root 3 ncert maths chapter 1 solutions class 10 board exam maths preparation