Saved Bookmarks
| 1. |
Prove that -2√8 is irrational |
|
Answer»
Let, 8 +√2 be a RATIONAL number. We know that 8 is a rational number. Also, Rational - Rational = Rational => 8 + √2 - 8 = Rational => √2 = Rational But, √2 is a rational number. So, it contradicts our SUPPOSITION. HENCE 8 +√2 is an IRRATIONAL number. plzz mark me on brainlist FOLLOW me & follow itz cutie girl |
|