\displaystyle [br]\begin{equation*}\frac{1}{3\cos y} = \frac{1}{3\sqrt{1 - \sin^2 y}} \end{equation*}
\displaystyle [br]\begin{equation*}\frac{1}{3\cos y} = \frac{1}{3\sqrt{1 - \sin^2 y}} \end{equation*}
\displaystyle [br]\begin{equation*}1 - 2\ln x = 0 \Rightarrow 1= 2\ln x \Rightarrow e^1 = e^{2\ln x} \Rightarrow e = e^{\ln x^2} \Rightarrow x^2 = e \Rightarrow \cdots \end{equation*}
\displaystyle [br]\begin{equation*}1 - 2\ln x = 0 \Rightarrow 1= 2\ln x \Rightarrow e^1 = e^{2\ln x} \Rightarrow e = e^{\ln x^2} \Rightarrow x^2 = e \Rightarrow \cdots \end{equation*}
\displaystyle [br]\begin{equation*}e^{-x}(x^2 - 4x + 1) + e^{-x}(2x - 2) = e^{-x}(x^2 - 4x + 2x - 2) = 0\end{equation*}
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Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
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Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrong71