Integration by substitution (1 Viewer)

[Aysce]

Hey guys, question is:

using the substitution, u= 16-x^2

Answer is 64/3. Thanks in advance

 

[hayabusaboston]

wtf spiral hasnt answered it already...? that's a surprise.... Just wait for him, he puts it in latex, or whatever it's called, which makes it easier to understand.

 

[Alkanes]

I will try to beat Spi to this question.

 

[hayabusaboston]

I will try to beat Spi to this question.

Yes but are you fluent in latex man? haha. Where do you find this latex program anyway? How does spiral put it in such a neat and professional way?

 

[Alkanes]

Let u =





And just minus u should get the answer from there.

 

[hayabusaboston]

Let u =





And just minus u should get the answer from there.

(Okay I see you're a fluent latex man too.... jealous much....

 

[hayabusaboston]

Let u =





And just minus u should get the answer from there.

 

[Alkanes]

Umm alternatively you can make 1/2 become positive by switching the limits around.

 

[hayabusaboston]

OMG that's how you do it!!! YEAAA

 

[Aysce]

I did that and got -8/3 :S

 

[Alkanes]

uhh





Maybe calculator error for you

 

[pokka]

 

[pokka]

I did that and got -8/3 :S

this is because you forgot to change the limits

 

[Alkanes]

Oh dammit i forgot about the limits. My bad.

 

[Alkanes]

Terrible mistake by me... Ignore what i said i was lucky to get the answer for this question though

 

[pokka]

It's ok we can all learn from our mistakes

 

[Aysce]

NO WONDER =.= thanks guys

 

[SpiralFlex]

wtf spiral hasnt answered it already...? that's a surprise.... Just wait for him, he puts it in latex, or whatever it's called, which makes it easier to understand.

I am not on this forum 24/7 you know....

 

[asianese]

I am not on this forum 24/7 you know....

You used to be =D