2020-M2-02
Ans: $\dfrac{3}{8}$
… Read $\begin{array}{cl}
& f'(2) \\
=
HKDSE-M2 - 2020 -
2020-M2-06
Ans: (a) Yes (b) $5$ square unit per second
… Read - Sketch a graph acc
2020-M2-09
Ans: (a) $y=x+20$, $x=4$ (b) $\dfrac{384}{(x-4)^3} +\dfr
… Read 2021-M2-01
Ans: $f'(x) = \dfrac{-6x}{(3x^2+4)^2}$
… Read $\begin{array}{
2021-M2-05
Ans: (a) $x=1$, $y=x+1$ (b) $\dfrac{d}{dx}r(x) = \dfrac{x
… Read 2021-M2-06
Ans: (a) $5$ (b) $\dfrac{e^4-3}{2}$
… Read This is out of syllabus
2021-M2-09
Ans: (a) (i) $\sec \theta$ (ii) $\ln( \sec\theta +\tan \the
… Read 2021-M2-10
Ans: (a) $12$ (b) (i) No (ii) $42$ unit per minute
… Read Sketch a gra
2022-M2-01
Ans: $\dfrac{-5}{54}$
… Read $\begin{array}{cl}
& g(1+h)
2022-M2-04
Ans: (a) $\dfrac{dy}{dx} = e^{-x}(2x^2-11x+7)$, $\dfrac
… Read 2022-M2-07
Ans: (b) $\dfrac{-\ln 3}{294}$
… Read - Consider the slope of $L$,
$
2022-M2-09
Ans: (a) $x=1$, $y=x+4$ (b) max point: $(-1,1)$, min point:
… Read 2023-M2-02
Ans: (b) $-1$
… Read -
$\begin{array}{cl}
& f\left(\dfrac{\
2023-M2-06
Ans: (b) $\dfrac{1}{21\pi}$
… Read - The required volume
$\begin{
2023-M2-07
Ans: (a) $y=3\sqrt{4-x^2}+k\sin^{-1}\dfrac{x}{2} -6$ (
… Read 2023-M2-09
Ans: (a) $f'(x)=(1-2x^2)e^{-x^2}$, $f”(x)=2x(2x
… Read