Home/Differential Calculus/Indeterminate forms/Formula12.2. Indeterminate formsFormulaIn 12.2. Indeterminate formsFormulaCopy LaTeX00, 1∞, ∞0:use y=fg, lny=glnf0^0,\ 1^\infty,\ \infty^0:\quad \text{use } y=f^g,\ \ln y=g\ln f00, 1∞, ∞0:use y=fg, lny=glnfTagsDifferential calculusDerivativeIndeterminate formsLimitVariablesfffFunctiongggSecond function or inner compositionyyyDependent variableln\lnlnNatural logarithmConditionsuse y=fg, lny=glnf\text{use } y=f^g,\ \ln y=g\ln fuse y=fg, lny=glnfFound an error? Contact us.Related formulasRelatedFormula∞−∞:combine algebraically or use conjugates/logarithms\infty-\infty:\quad \text{combine algebraically or use conjugates/logarithms}∞−∞:combine algebraically or use conjugates/logarithmsOpen formulaOpen in sectionRelatedFormula0⋅∞:f⋅g=f1/g or g1/f0\cdot\infty:\quad f\cdot g=\frac{f}{1/g}\ \text{or}\ \frac{g}{1/f}0⋅∞:f⋅g=1/gf or 1/fgOpen formulaOpen in section