Question

which is greater 4√9 or 3√5
very urgent

Answer 1

 $4\sqrt{9}$  and   $3\sqrt{5}$


square on both,

$(4 \sqrt{9})^2$  and   $(3 \sqrt{5)}^{2}$

$(4*3)^2$  and $(9*5)$

$12^2$  and    (9*5)

= 144   and    45




hence, 




[tex]4 \sqrt{9} = 4*3 =12 [/tex]  is greater 




i hope this will help you


-by ABHAY