data/multiple_choice/dev/hkdse_mathematics.csv

Question,A,B,C,D,Answer
設\(c\)為一常數，若\(f(x)=x^3+cx^2+c\)，則\(f(c)+f(-c)=\),\(0\),\(2c\),\(2c^3+2c\),\(-2c^3+2c\),C
若\(m\neqn\)且\(2m^2+5m=2n^2+5n=14\)，則\((m+2)(n+2)=\),\(-8\),\(2\),\(6\),\(16\),A
\((u+v)(u-v)(u-1)=\),\(u^3+u^2+uv^2+v^2\),\(u^3+u^2-uv^2+v^2\),\(u^3-u^2+uv^2+v^2\),\(u^3-u^2-uv^2+v^2\),D
定義\(z_1=\frac{2+ki}{1+i}\)及\(z_2=\frac{k+5i}{2-i}\)，其中\(k\)為一實數。若\(z_1\)的虛部等於\(z_2\)的虛部，則\(z_1-z_2=\),\(-20\),0,3,10,C
"點\(P\)的直角坐標為\((\sqrt{2},-\sqrt{2})\)。若\(P\)繞原點逆時針方向旋轉\(90^\circ\)，則它的像的極坐標為","\((\sqrt{2},45^\circ)\)","\((\sqrt{2},225^\circ)\)","\((2,45^\circ)\)","\((2,225^\circ)\)",C