learn.howToCalculate
learn.whatIsHeading
Limit describes value function approaches as input approaches some value: lim(x→a) f(x) = L. Foundation of calculus.
Guia passo a passo
- 1Input function and point
- 2Calculate limit by substitution, factoring, L'Hôpital's rule, or numeric approximation
- 3Results show limit value
Exemplos resolvidos
Entrada
lim(x→2) (x²-4)/(x-2)
Resultado
= lim(x→2) (x+2) = 4 (factor to remove discontinuity)
Erros comuns a evitar
- ✕Direct substitution when undefined (0/0)
- ✕Not checking left and right limits
Perguntas frequentes
When does limit not exist?
If left/right limits differ, oscillates, or diverges to infinity.
Pronto para calcular? Experimente a calculadora Limits gratuita
Experimente você mesmo →