Is 7 a complex number

X is a complex number. but X is not equal to 1. X^2011=1 Compute the sum X^(2n)/((x^n)-1) where n=...

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∘+...

1. The complex number 'a' is such that a^2=5-12i use an algebraic method to find the two possible v...

The complex number -3 + 2i is one zero for a polynomial function. Which complex number must also be...

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

Given the complex number 7 − 6i, determine the real part and the imaginary part.

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