Question

Calcule

$\lim_{x \to \0} x^{2} cos(\frac{1}{x} )sen(\frac{1}{x} )$
obs: x tendendo a zero

Answer 1

Resposta:

Lim  x²* cos(1/x)*sen(1/x)

x-->0

-1  ≤ cos(1/x)*sen(1/x) ≤ 1

k ∈ [-1;1 ]

Lim   x² * k =  0

x-->0