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Quotient rule: f(x) = (vu'-uv')/v2 where u is numerator and v is denominator. So f'(x) = [(x1/2+1)*(1/2*x-1/2) - (x1/2-1)*(1/2*x-1/2)] / (x1/2+1)2 --- plug into formula, careful to put in correct numbers = [(1/2 + 1/2*x-1/2) - (1/2 + 1/2*x-1/2)] / (x1/2+1)2 ---- expand topline, be sure to...

There's reason for your over-reaction. You're perfect at maths. How does it feel?

Nicely done.

I'll have a go. With y = (2x-2)/(x-2) domain is all real x except 2, range is all y. With y = (x-2)/(2x-2) domain is all real x except 1, range is all y. Am I even remotely on the right track?

That's me. ^^ Shakespeare makes me sad.

Attention all music students. What's your instrument? What are your influences/genres you like to play? What level do you consider yourself (beginner, intermediate, experienced, professional etc)?

My teacher said as an approximation 40% raw is a band 4, 60% is a band 5 and 80% is a band 6. But I understand these figures can vary substantially due to a number of factors.

I already feel the increased workload. :(

What are your thoughts of Terry Lee? That's our textbook.

longshore drift tides destructive waves constructive waves wave erosion etc

Re: Maths Competition Distinction. 45 points. 13/30. Top 24% of entrants.

Re: Maths Competition Congratulations. What score did you get? What marks for each set of 10 questions?

Write what you know. This is essential. Work outwards from a simple premise (idea). An autobiography type thing could work if you think you've had an interesting life and there's no privacy issues i.e. if you're willing to share personal experiences.

http://www.boardofstudies.nsw.edu.au/schoolcertificate/english_scope_specs_06.html

The school certificate is not too difficult in my opinion but it's not ridiculously easy either. If you are doing your homework, and understand your work you'll be fine. By the sounds of it, you will breeze through it. Do some light revision if you think you are underprepared. Try some past...

English and science for me. Probably science.

http://community.boredofstudies.org/showthread.php?t=185878 - my notes http://community.boredofstudies.org/forumdisplay.php?f=818 - correct thread for belonging material

I forgot to answer my own thread. Standard day really. Music is gunna be the best year ever!

How was it? Anything out of the ordinary?

I thought with 'show' you can assume that certain things are already true while with prove you have to use other bits of information to demonstrate that something is true. :uhoh: