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Integration by substitution
Let u = 16-x^2 \frac{du}{dx}=-2x dx = \frac{du}{-2x} \int_{0}^{4}x\sqrt[]{u}.\frac{du}{-2x} \frac{-1}{2}.[\frac{2u^{\tfrac{3}{2}}}{3}]_{16}^{0} And just minus u should get the answer from there.
Alkanes
Post #5
Dec 17, 2011
Forum:
Mathematics Extension 1
Integration by substitution
I will try to beat Spi to this question.
Alkanes
Post #3
Dec 17, 2011
Forum:
Mathematics Extension 1
How about you teach me now before i procrastinate tomorrow evening? :)
How about you teach me now before i procrastinate tomorrow evening? :)
Alkanes
Profile post
Dec 16, 2011
I hope you keep your word.
I hope you keep your word.
Alkanes
Profile post
Dec 16, 2011
Yes vectors.... Msn with me tomorrow night please.
Yes vectors.... Msn with me tomorrow night please.
Alkanes
Profile post
Dec 16, 2011
Should I do Ext Maths?
School assessments.
Alkanes
Post #5
Dec 15, 2011
Forum:
Preliminary HSC
Should I do Ext Maths?
Maybe your teacher was right. SC is not good enough to determine whether or not you're suited for extension.
Alkanes
Post #3
Dec 15, 2011
Forum:
Preliminary HSC
Share your 2011 ATAR here
^ yea pretty cut.
Alkanes
Post #215
Dec 15, 2011
Forum:
ATAR & HSC Marks - Class of 2011
Aims for the holidays
Indeed. How about i rephrase it: Imma just take it easy till Christmas. xD
Alkanes
Post #32
Dec 14, 2011
Forum:
General Discussion on the 2012 HSC
Aims for the holidays
Imma just take it easy till new years.
Alkanes
Post #27
Dec 14, 2011
Forum:
General Discussion on the 2012 HSC
Share your 2011 HSC results here
Yea lol im sensing trolling. Who gets embarrassed with a 97/100 ? LMFAO
Alkanes
Post #115
Dec 14, 2011
Forum:
ATAR & HSC Marks - Class of 2011
Share your 2011 HSC results here
Wow wtf? Beast. And i thought the person who topped the state for physics was a guy o.O
Alkanes
Post #111
Dec 14, 2011
Forum:
ATAR & HSC Marks - Class of 2011
How many top performers in 2011 HSC are BOS members?
Tomorrow you will know
Alkanes
Post #2
Dec 13, 2011
Forum:
ATAR & HSC Marks - Class of 2011
How to calm down before tests?
I like to chew gum before and during the test.
Alkanes
Post #7
Dec 13, 2011
Forum:
General Discussion on the 2012 HSC
Post your assessment marks!
Lol normal. He/she does 4u. 2U don't count.
Alkanes
Post #81
Dec 13, 2011
Forum:
General Discussion on the 2012 HSC
First in Course List
Yea you've digged yourself a very big hole that will be very hard to climb out of.
Alkanes
Post #40
Dec 13, 2011
Forum:
ATAR & HSC Marks - Class of 2011
Which schools will rank in the top 10 this year???
I'm still buying that Ruse will still keep its 1st position.
Alkanes
Post #67
Dec 13, 2011
Forum:
General Discussion on the 2011 HSC
First in Course List
I'm still buying that Ruse will still keep its number 1 position this year though.
Alkanes
Post #37
Dec 13, 2011
Forum:
ATAR & HSC Marks - Class of 2011
First in Course List
Ruse prolly most likely notched up most of the state ranks anyways haha.
Alkanes
Post #33
Dec 13, 2011
Forum:
ATAR & HSC Marks - Class of 2011
Have they called anyone yet for state ranking?
Spoiler much lol
Alkanes
Post #14
Dec 13, 2011
Forum:
ATAR & HSC Marks - Class of 2011
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