Question: Function f(x) = $\frac{\lambda\sin x + 3\cos x}{2\sin x + 6\cos x}$ is increasing when –...

Question

Function f(x) = $\frac{\lambda\sin x + 3\cos x}{2\sin x + 6\cos x}$ is increasing when –

Answer 1

$\left| \begin{matrix} \lambda & 3 \\ 2 & 6 \end{matrix} \right|$ > 0

̃ 6 l – 6 > 0 ̃ l > 1

Question: Function f(x) = \(\frac{\lambda\sin x + 3\cos x}{2\sin x + 6\cos x}\) is increasing when –...