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November 15, 2025, 11:40:31 am

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Author Topic: solutions for exam 1 and the exam itself  (Read 15863 times)  Share 

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supernatural

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solutions for exam 1 and the exam itself
« on: November 05, 2010, 10:58:53 am »
0
Here are the solutions...and please find attached a copy of the exam itself
Good luck in exam 2 everyone  :)
Question 1
a)    
b)  

Question 2
a)    
b)    

Question 3
a)    
b)    

Question 4
a)   amplitude is
      period is
b)  
      and  

Question 5
a)    
b)    

Question 6        
  
  
  

Question 7
a)    
b)    

Question 8
        

Question 9
a)      
b)      

Question 10
        
        
        

Question 11
a)  
b)  
c)  
« Last Edit: November 05, 2010, 12:13:09 pm by supernatural »
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Linkage1992

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Re: solutions for exam 1
« Reply #1 on: November 05, 2010, 11:07:18 am »
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Do you reckon I'll lose a mark for not taking out the x^2 common factor for the first one?
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supernatural

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Re: solutions for exam 1
« Reply #2 on: November 05, 2010, 11:07:43 am »
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Do you reckon I'll lose a mark for not taking out the x^2 common factor for the first one?

no thats fine the way you left it
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10weid

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Re: solutions for exam 1
« Reply #3 on: November 05, 2010, 11:07:59 am »
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if it was worth 1 or 2 makrs no, if it was worth 3 marks then yeah..
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chap

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Re: solutions for exam 1
« Reply #4 on: November 05, 2010, 11:11:08 am »
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period of 4a was 6 not 6pie I am pretty sure.

Studyinghard

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Re: solutions for exam 1
« Reply #5 on: November 05, 2010, 11:11:43 am »
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it was 6pi for sure..it was 2pi/(1/3)
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johsephhh_

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Re: solutions for exam 1
« Reply #6 on: November 05, 2010, 11:13:27 am »
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yerh i was 6pi LOL

chap

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Re: solutions for exam 1
« Reply #7 on: November 05, 2010, 11:13:40 am »
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alright well then I fucked that one, I thought it was 2pi/(pi/3)...

foley

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Re: solutions for exam 1
« Reply #8 on: November 05, 2010, 11:18:39 am »
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alright well then I fucked that one, I thought it was 2pi/(pi/3)...


I thought it was? Wasn't part of the equation (x+pi/3), so therefore 2pi/(pi/3)

kiraxxx

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Re: solutions for exam 1
« Reply #9 on: November 05, 2010, 11:20:48 am »
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does anyone remember the exact question for 1B
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chap

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Re: solutions for exam 1
« Reply #10 on: November 05, 2010, 11:20:57 am »
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yeh thats what I thought?

samiira

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Re: solutions for exam 1
« Reply #11 on: November 05, 2010, 11:21:54 am »
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does anyone remember the exact question for 1B

think it was ln(x^2+1) and u have to find f'(2)

sajib_mostofa

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Re: solutions for exam 1
« Reply #12 on: November 05, 2010, 11:23:39 am »
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What was Q6 about?

supernatural

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Re: solutions for exam 1
« Reply #13 on: November 05, 2010, 11:24:14 am »
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does anyone remember the exact question for 1B


find

What was Q6 about?

original equation was
« Last Edit: November 05, 2010, 11:29:52 am by supernatural »
-2009-
Further Maths [49]

-2010-
Spesh | English | Methods | Chemistry | Physics
ATAR: 97.70

-2011-
Bachelor of Science Advanced with Honours
Monash University (Clayton Campus)
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darkphoenix

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Re: solutions for exam 1
« Reply #14 on: November 05, 2010, 11:25:53 am »
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alright well then I fucked that one, I thought it was 2pi/(pi/3)...


I thought it was? Wasn't part of the equation (x+pi/3), so therefore 2pi/(pi/3)

No you had to split it up. Cause period = 2pi/n
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