共50条信息
设\(z_{1}\),\(z_{2}\)是复数,则下列命题中的假命题是\((\) \()\)
已知实数\(a\),\(x\),\(y\)满足\({a}^{2}+2a+2xy+(a+x-y)i=0 \),求点\((x,y)\)的轨迹方程
复数\(4-3a-{a}^{2}i \)与复数\({a}^{2}+4ai \)相等,则实数\(a\)的值为__________.
已知\( \dfrac{m}{1-i}=1-ni, \)其中\(m,n \)是实数,\(i \)是虚数单位,则\(m+n=\)
已知关于实数\(x\),\(y\)的方程组\(\begin{cases}\left(2x-1\right)+i=y-\left(3-y\right)i,① \\ \left(2x+ay\right)-\left(4x-y+b\right)i=9-8i②\end{cases} \),有实数解,求实数\(a\),\(b\)的值.
\(2.\)已知\(i\)是虚数单位,\(a\),\(b∈R\),则“\(a=b=1\)”是“\((a+bi)^{2}=2i\)”的
设\((1+i)(x+y{i)}=2\),其中\(x,y\)是实数,则\(\left| 2x+y{i} \right|=\)
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