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Prove that f(z) = 2z2 is continuous at z = z0
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Date posted: May 10, 2019 . Answers (1)
If a + ib is a root of a polynomial,a0zn +a1zn-1 +...........+an =0a0, a1…an are real number.show that its conjugate a – ib is also a root of the same equation or the zeros of apolynomial with real coefficients always occur in conjugate pairs.
Date posted: May 2, 2019 . Answers (1)
Find all the 6th roots of unity.
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Simplify the expression below;
Letshow that
Simplify the expression given below;
Express z = 4 + 3i in polar form
Plot the complex numbersz1 = 4 + 3i, z2 = 5 – 2i,z3 =-4+3i and z4 = -4 – 3i