lim x menuju 3 3x+2/x-3

jawab

1)
lim(x->0) sin 5x/sin 3x

lim (x ->0)  sin 5x/sin 3x. 5x/5x. 3x/3x
lim(x ->0)  sin 5x/5x . 3x/sin 3x . 5x.3x
lim(x->0)  (1)(1)(5/3) = 5/3

2)
lim  (x->3) (3x + 2)/(x-3)
sub x = 3

= (3(3) + 2)/ (3-3)
= (11/0)
= ∞

maaf klau salah......