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# raheem94 Offline

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Last Activity 3 days ago

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1. Smiley Face :)
12-05-2012
yeh they do... u know I did that but I didnt get the same answers and now I understand why.. thanks alot!!
2. Smiley Face :)
12-05-2012
yep, thus 2x-2y = 0
Then how do I find the coordinates as I can only simplify to x=y
3. Smiley Face :)
12-05-2012
ok, a curve is defined implicitly
x^2 -2xy+4y^2 =12
a) find dy/dx and where the tangents to the curve are parallel to the x - axis ...
dy/dx = (2x-2y)/ (2x-8y)
4. Smiley Face :)
12-05-2012
Ok, last q of the day ...
If u have worked out dy/dx and then it says find the coordinated for when the curve is parallel to the x axis at this point the numerator will = 0 .. right ... and if it said parallel to the y- axis the denominator would be = to 0 ... is that correct???
5. Smiley Face :)
12-05-2012
gracias
6. Smiley Face :)
12-05-2012
cool
7. Smiley Face :)
12-05-2012
8. Smiley Face :)
12-05-2012
9. Abed1993
12-05-2012
Hey bro? I see you help a lot in the maths forum! That's really good of you
Can you try and help me with this C1 question? I'd appreciate it!

http://www.thestudentroom.co.uk/show...0#post37506490
12-05-2012

• ### About raheem94

Name
Abdul Raheem
Edexcel GCE 'O' Level (2009-10):

Accounting: A
Chemistry: A
Computing: A
English Language: C
Mathematics: B
Physics: B
Religious Studies: A
Urdu: B

NB: The maximum grade at GCE 'O' level is A, not A*.

Edexcel GCE A-Level (2010-11):

Chemistry: 572/600, A*
Unit 1: 120/120
Unit 2: 120/120
Unit 3: 60/60
Unit 4: 104/120
Unit 5: 108/120
Unit 6: 60/60

Mathematics: 575/600, A*
Core mathematics 1: 97/100
Core mathematics 2: 94/100
Core mathematics 3: 98/100
Core mathematics 4: 96/100
Mechanics 1: 100/100
Mechanics 2: 90/100

Edexcel GCE A-level (2011-12):

Physics: 483/600, A
Unit 1: 106/120
Unit 2: 84/120
Unit 3: 53/60
Unit 4: 84/120
Unit 5: 96/120
Unit 6: 60/60

Further mathematics: 553/600, A*
Further Pure mathematics 1: 97/100
Further Pure mathematics 2: 94/100
Further Pure mathematics 3: 95/100
Mechanics 3: 84/100
Statistics 1: 93/100
Statistics 2: 90/100

AEA Mathematics: Merit
Interests
Football
TSR achievements:

Study Help member of the month May 2012

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• Last Activity 3 days ago
• Join Date 24-12-2010

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