5635amezj
5635amezj
23-05-2018
Mathematics
contestada
∫(sec(lnx)tan(lnx)) /x
Respuesta :
LammettHash
LammettHash
23-05-2018
Substitute [tex]y=\ln x\implies\mathrm dy=\dfrac{\mathrm dx}x[/tex], then the integral becomes
[tex]\displaystyle\int\frac{\sec(\ln x)\tan(\ln x)}x\,\mathrm dx=\int\sec y\tan y\,\mathrm dy[/tex]
[tex]=\sec y+C[/tex]
[tex]=\sec(\ln x)+C[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
• Made advances in mathematics, science, and medicine • Preserved Greek and Roman learning • Influenced Spanish architecture and literature These achievements a
how are some organisms able to survive without sunlight and photosynthesis
Why is 40 days so important?
A dynamic stretch is safe, because it involves gradual and controlled movements safe, because it extends the joint beyond its range of motion unsafe, be
What does v. P=mv mean can someone help
luis bought stock at $83.60. the next day, the price increased $15.35. this new price changed -4 3/4% the following day. what was the final stock price?? is you
The mass of a moon 3.5 kilograms what is the mass of the moon rock in grams
The weights of 40 students were recorded. If the 75th percentile of their weights was 140 pounds, what is the total number of students who weighed more than 140
The mass of a moon 3.5 kilograms what is the mass of the moon rock in grams
How does the absorption and release of energy affect temperature change during a chemical reaction?
