Question

Write in ascending order: 3√5 and 4√3

Answer 1

3√5 = `sqrt(3^2 xx 5 ) = sqrt45, 4sqrt3 = sqrt( 4^2 xx 3 ) = sqrt48 ` 
and 45 < 48 
∴ `sqrt45 < sqrt48 ⇒ 3sqrt5 < 4sqrt3`