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 ( 28+ )
Otras preguntas
Persuasive advertising is often used when competition: is non-existent. is cooperating. is ineffective. is declining. is most intense.
A room in the shape of a triangle has sides of length 7 yd, 8 yd, and 11 yd. If carpeting costs $17.50 a square yard and padding costs $3.25 a square yard, how
Each form of media communicates a ________ beyond the words themselves.
Person who is 6 feet tall stands next to a life size model of a dinosaur the shadow cast by the person is 4 feet long at the same time the shadow cast by dinos
what is the primary purpose of this blog
What document have only parliament the power to tax
Identify the verb form in the following sentence. We have been achieving great things together. A. past perfect progressive B. present perfect progressive
What are the values of x in this equation? x^4+12x = 4x^2+3x^3
PLEASE HELP ASAP!!!! 2 MATH QUESTIONS!! 1. In 2010, a city's population was 83,075 and it was declining at a rate of 1.04% each year. Which is the best predicti
Cheryl graphed a line to represent the speed in miles per hour of car A. On the same graph she drew a line to represent car B. The li me on the graph of car B w
