Convert the complex number c=3cis 0.25 into rectangular form.

let z= a+bi be a complex number. it is given that the quotient (z-i)/(z-1) is purely imaginary....

Is 7 a complex number

The complex number [2[cos(π/10)+isin(π/10)]]^5 can be written as a+bi. What is the value of a+b?

Let z be a complex number such that z=2(cos3∘+icos87∘). Then z^6 can be expressed as r(sinα∘+ico...

Let z be a complex number such that z = 2(cos 8∘ + i cos 82∘).Then z^5 can be expressed as r(sin α∘+...

Let z be a complex number, and let n be a positive integer such that z^n = (z + 1)^n = 1. Prove that...

Convert the complex no. In polar form : 1-i rcosΘ =1 rsinΘ=-1 r=√a2+b2 r=√(1)2+(-1)2 r=√2 Ta...

complex number L = 2 + bj Arg (L) = 5π/6 find all values of b? got 1/sqrt(3) but need it to be p...

The complex number z = 2 + i is the root of the polynomial z^4 – 6z^3 + 16z^2 - 22z + 15 = 0. Find t...

What are complex number

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