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Year 12s: what will be the first way you research your future options? >>

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Help on C3 Differentiation Pls

Help on C3 Differentiation Pls

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Reply 20

AxSirlotl

Original post by RDKGames

(x^2+2)^2 > 0

\frac{2-x^2}{(x^2+2)^2} <0 \Rightarrow 2-x^2 <0

Okidoki thanks, I'm a bit iffy about multiplying both sides by something if one of the sides is a "0", I'm not sure why.

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