Solution Formulas Videos Step-by-step Solution Problem to solve: $e^{\int\left(\left(-21\cdot1\right)\cdot x+\frac{1}{x}\right)dx}$ Specify the solving method Choose an optionIntegrals by Partial Fraction expansionBasic IntegralsIntegration by SubstitutionIntegration by PartsIntegration by Trigonometric SubstitutionSuggest a method or feature Send Final Answer Sorry, we couldn't solve this problem right now. Please check back later or try another solving method.