Solve.(Find all complex-number solutions.) 12t^2 + 17t = 40

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=...

Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.

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5) find the complex number z and w such that z+w=4+3i and z-iw=3-2i

Find the complex number z that satisfies (1 + i)z - 2 overline{z} = -11 + 25i. Im not sure how to...

Find the complex number which satisfied the equation 5zz ̅+3(z-z ̅)=42 – 15j

Find the complex number u=x+yi where x,y € I, such that u^2=-5+12i. HELPPPPPPP!

Given that a complex number Z. = 1 + cos 2@ + isin 2@. Calculate its argument

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

Find the complex number z that satisfies: (1+i)z-2z*=-11+25i The notation z* stands for the conjug...

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