If b is not equal to zero and a is any real number, the complex number a + bi is called imaginary number. In other words, if the imaginary unit i is in it, we can just call it imaginary number.If the imaginary unit i is in t, but the real real part is not in it such as...
If z is any complex number satisfying |z - 3 - 2i | less than or equal... 04:00 Let z=1+ai be a complex number, a > 0,such that z^3 is a real number... 07:07 Let a,b in R and a^(2)+b^(2) ne 0. Suppose S={z in C:z=(1)/(a+ibt),t... 10:00 Let a...
百度试题 结果1 题目The sum of a complex number and its conjugate is alwaysA:a pure imaginary numberB:1C:D:a pure real number 相关知识点: 试题来源: 解析 D None 反馈 收藏
百度试题 结果1 题目Prove that, if is a complex number, then and are both real. What can you say about and ? 相关知识点: 试题来源: 解析 is imaginary, has modulus .反馈 收藏
Imaginary numbers are also called complex numbers. When imaginary numbers are squared, the result is a negative number. Imaginary numbers are used in certain calculations, such as quadratic equations. They are the result of a real number multiplied by i, when i equals the square root of -1....
①complex adj. not easy to analyze or understand; complicated or intricate e.g. The causes are a complex blend of local and national tensions. 原因很复杂,既有地方性冲突也有全国范围的紧张局势。 ②complicated adj. involving many different and confusing aspects e.g. The situation was complicated ...
Building a Class A complex number is a number made of two real numbers, one part is called therealpart of the number, the other theimaginary. They are normally written in the form a + bia+bi where aa is the real part, bb is the imagina...
If z!=0 be a complex number and a rg(z)=pi/4, then R e(z)=I m(z)on l ... 01:46 If z is a complex number such that Re (z) = Im (2), then 01:30 z is a complex number such that |Re(z)| + |Im (z)| = 4 then |z| can't ... 02:37 If z is a complex...
Recall that the conjugate of a complex number z=x+y is denoted by z and is defined by z=x-y. Show that z+ z lies on the real axis. 相关知识点: 试题来源: 解析 Consider the complex number z=x+ The conjugate of the complex number z=x+ is denoted by z and is defined as z ...
im nobody who are uar im not a girl dont te im not a real politic im not afraid im not im not armed im not authorized to im not awake as i can im not born yesterday im not dating at all im not even angry im not even sure what im not even trying to im not gonna do this ...