Complex Number

Related BrainMass Solutions

• Numbers as Real and Rational, Real and Irrational, or Complex

  Take a complex number 3 + 2i, and subtract 2i. You end up with 3, which is a real number. > A complex number. (a + bi, where a and b are real) Take a complex number 3 + 2i, and add 3i. You end up with 3 + 5i, which is complex.

• Radicals and complex numbers

  210825 Radicals and complex numbers Attached 16.) Simplify 17.) Add the complex numbers 2+3i and -3+i 18.) Divide the complex number 2+1 by the complex number 3-i 19.) Factor 20.)

• Trigonometry

  Determine the rectangular form of the complex number: 4. Find the polar form of the following complex number: 5.

• Complex Conjugates

  39683 Complex Conjugates What is the complex conjugate of 78.93iw^3+30.48iw^2+iw? How did you find it? In mathematics, the complex conjugate of a complex number is given by changing the sign of the imaginary part.

• Question about Complex numbers in Polar Form

  444715 Question about Complex numbers in Polar Form Plot the complex number. Then write the complex number in polar form. Express the argument as an angle between 0 and 360degrees. 2 Z = ? (cos ? + i sin ?

• │∑ zn │ ≤ ∑│zn │

  25913 Prove that │∑ zn │ ≤ ∑│zn │ where zn is a complex number.

• Calssify Numbers as Real/Rational or Real/Irrational

  Irrational number. 6. 1/6 Rational Number 7. 6i Complex Number as "i" is imaginary term. 8. 3 - (-9)^1/2 = 3 - = 3 - 3i Complex Number as "i" is an imaginary term.

• Complex Number and Complex Conjugate

  The solution investigates the relationship between complex number and complex conjugate.

• Fact implies every complex number satisfies a polynomial

  191138 Fact implies every complex number satisfies a polynomial We know that [C:R]=2. Explain why this fact implies every complex number satisfies a polynomial with real number coefficients of degree 1 or 2. We know that [C:R]=2.