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HKDSE-M2 - 2020 -
2020-M2-08
Ans: (a) $a=2$, $b=-3$, $c=-5$ (b) (i) $\begin{pmatrix} 0 &
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2020
2021-M2-11
Ans: (b) (i) $\dfrac{5\pi}{6}$ (iii) $\dfrac{-1}{2^{556
…
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2021
2022-M2-11
Ans: (a) (i) $I-A^{n+1}$ (b) (i) $-1$ (ii) $\dfrac{49}{2}$
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2022
2023-M2-05
Ans: (c) Yes
$\begin{array}{rcl}
A^2 +A+I & = & 0
…
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2023