Question

lim x->2 cos πx /3

por favor, ayuda

Answer 1

$\lim _{x\to 2}\left(\frac{cos\left(\pi \:x\right)}{3}\right)$
$Sustituir\:la\:variable:$
$=\frac{\cos \left(\pi 2\right)}{3}$
$Recordar\:que:\cos \left(\pi \:2\right)=1$
$=\frac{1}{3}\quad \left(\mathrm{Decimal:\quad }\:0.33333\dots \right)$