A community for students.
Here's the question you clicked on:
 0 viewing
adam32885
 3 years ago
limit help
adam32885
 3 years ago
limit help

This Question is Closed

adam32885
 3 years ago
Best ResponseYou've already chosen the best response.0\[\lim_{x \rightarrow 1}\frac{ x1 }{ \sqrt[3]{x+7}2 }\]

adam32885
 3 years ago
Best ResponseYou've already chosen the best response.0I am having trouble with this equation we are given the hint make the substation x+7=t^3

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3Rationalise the denominator by multiplying by \[\frac{ \sqrt[3]{(x+7)^2}+2 }{ \sqrt[3]{(x+7)^2}+2 } \]

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3Oh now you say you were given that.

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3\[=\frac{ t^371 }{ t2 }\]

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.1x+7=t^3 as x > 1 t > 2

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3And you can get rid of the denominator. Once you do that. Sub back the x's.

adam32885
 3 years ago
Best ResponseYou've already chosen the best response.0so when i make the sub I get \[\lim_{x \rightarrow 1} \frac{ x1 }{ t+2 }\] ?

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3No you sub the x on the numerator as well.

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.1a^3  b^3 = (ab) (a^2 +ab + b^2

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3\[t^3=x+7\] make x the subject. \[x=t^37\]

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3Now sub the x on the numerator with t^37

adam32885
 3 years ago
Best ResponseYou've already chosen the best response.0oh now i get it. pass the duh stamp

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3Now you can get rid of that denominator.

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3Once you do that, remember to replace the t's with \[\sqrt[3]{x+7}\]

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.3and then you can then sub in x=1 to find the limit.
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.