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# Maths Help

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http://i.imgur.com/0DQa8NS.jpg

Thanks
2. (Original post by _Xenon_)

http://i.imgur.com/0DQa8NS.jpg

Thanks
Differentiate and set it equal to 0, solve the resulting quadratic.
3. (Original post by Zacken)
Differentiate and set it equal to 0, solve the resulting quadratic.
I have no idea but i'll give that a go and see where i get to, thanks!
4. (Original post by _Xenon_)
I have no idea but i'll give that a go and see where i get to, thanks!
Sure. Do you not know what a turning point is? Would it help if I tell you it's the something as a maximum/minimum or a stationary point? That is, the point at which the tangent is horizontal?
5. (Original post by Zacken)
Sure. Do you not know what a turning point is? Would it help if I tell you it's the something as a maximum/minimum or a stationary point? That is, the point at which the tangent is horizontal?
Hi that helps thanks.

Wow I've never even been taught any of this stuff. Good thing i'm practicing past papers isn't it.
6. (Original post by _Xenon_)
Hi that helps thanks.

Wow I've never even been taught any of this stuff. Good thing i'm practicing past papers isn't it.
Awesome.

Yeah.

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