2007-II-44
Ans: C
$\begin{array}{rcl}
a_1 & = & a_2 –
… Read $\begin{array}{rcl}
a_1 & = & a_2 –
HKCEE - 2007
2007-II-45
Ans: C
Note that the first term and the common ratio of the pos
… Read Note that the first term and the common ratio of the pos
2007-II-46
Ans: D
… Read The above figure is the graph of $y=\sin x^\circ$. By c
2007-II-47
Ans: B
By applying the sine law to the triangle, we have
… Read By applying the sine law to the triangle, we have
$\beg
2007-II-48
Ans: A
By applying the cosine law to $\Delta ABD$, we have
… Read By applying the cosine law to $\Delta ABD$, we have
$\b
2007-II-49
Ans: A
… Read Join $BC$. Consider $\Delta ABD$ and $\Delta ACB$,
$\
2007-II-50
Ans: C
The centroid of $\Delta ABC$ must lie inside $\Delta A
… Read The centroid of $\Delta ABC$ must lie inside $\Delta A
2007-II-51
Ans: C
Since the circle $C$ touches the $y$-axis, then the ra
… Read Since the circle $C$ touches the $y$-axis, then the ra
2007-II-52
Ans: C
Since the circle passes through the point $(-2,3)$, s
… Read Since the circle passes through the point $(-2,3)$, s
2007-II-53
Ans: B
The required probability
… Read The required probability
$\begin{array}{cl}
=
2007-II-54
Ans: D
The required probability
… Read The required probability
$\begin{array}{cl}
=