Question

Usando a regra de L’ hospital

Answer 1

Resposta:

lim  3cos(x)/(2x-pi)

x-->pi/2

lim   [3cos(x)]'/(2x-pi)'

x-->pi/2

lim   [-3sen(x)]/2  =-3*sen(pi/2)/ 2 =-3*1 /2 =-3/2

x-->pi/2