integral (2 Viewers)

[juantheron]

 

[Drongoski]

You can't be serious unless this is a typo. You have been posting some quite challenging ones.

 

[juantheron]

You can't be serious unless this is a typo. You have been posting some quite challenging ones.

Sorry Drongoski

actual question is

 

[SoggyBiscuit]

WOLFRAMALPHA.COM
enter problem
click "show steps"

jesus, everyone stop posting simple maths questions here when you could have the answer in 15 seconds from wolfram

 

[Carrotsticks]

WOLFRAMALPHA.COM
enter problem
click "show steps"

jesus, everyone stop posting simple maths questions here when you could have the answer in 15 seconds from wolfram

You have to realise that sometimes Wolfram does not take the simplest way to do the question.

For example, a simple integral involving a single application of the Weierstrass substitution could take several applications of the U substitution.

And you are also missing out on a bit of context (probably because you don't venture much into School). Juantheron is infamous for posting up very difficult questions, which is why Drongoski asked him if he was serious. See the post directly above yours.

 

[D94]

WOLFRAMALPHA.COM
enter problem
click "show steps"

jesus, everyone stop posting simple maths questions here when you could have the answer in 15 seconds from wolfram

Like Carrotsticks said, Wolfram doesn't always give you the best method. It gives "a" method, but not necessarily the best method. One example would be:



Wolfram gives some long, unnecessary method; it could be easily solved in half the working out and time.

 

[seanieg89]

Sorry Drongoski

actual question is

Pretty sure this integral can only be expressed in terms of hypergeometric functions...