Mathematics

Mathematics, 03.07.2019 00:30, sbanoali6120

Add the two complex numbers 6 + 7i and 10 + 2i. write your answer as a complex number in standard form, a + bi.

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Mathematics, 22.06.2019 07:30, Fvmousdj5

Ece 202: problem set 1 due: june 14, 2019 (friday) the first 3 questions of this homework assignment covers some fundamental mathematical concepts that will play a role in this course. the remaining questions are on basic signals and laplace transforms. 1. a review of complex numbers. (a) compute the magnitude and the phase of the complex numbers −4 +j, and write them in polar form (i.e., of the form rejθ). also, plot the complex number in the complex plane. (b) simplify the complex number 1 4 − √ 1 2 − j √ 2 22 and write them in cartesian form. (c) consider the complex number s = z1z2 · · ·zm p1p2 · · · pn , where each zi is a complex number with magnitude |zi | and phase ∠zi , and each pi is a complex number with magnitude |pi | and phase ∠pi . write the magnitude and phase of s in terms of the magnitudes and phases of z1, z2, . . , zm, p1, p2, . . , pn. 2. a review of differentiation. (a) find df dx for the following functions. i. f(x) = (1−4x) 2 √ x . ii. f(x) = √ 1 + tan x. (b) find dy dx for the equation e x sin y + cos2 x cos y − x 3 = 0.

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Mathematics, 03.07.2019 00:30, eaglesjohnson414

Add the two complex numbers 6 + 7i and 10 + 2i. write your answer as a complex number in standard form, a + bi.

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Mathematics, 22.07.2019 03:30, abronxtale02

1. how many parts does each complex number have? what are they? 2. what kind of numbers are a and b in a complex number? 3. give 4 examples of complex numbers. identify the real numbers (a and b) (not parts) in your examples. 4. in a complex number in the form a + bi, what is the real coefficient of i? 5. show and explain how you can write real numbers, such as 6, or -7.2 as complex numbers. 6. give 2 examples of real numbers written in complex form. 7. show and explain how you can write imaginary numbers, such as 23i or -0.24i as complex numbers. 8. give two examples of imaginary numbers written in complex form. 9. what is the modulus of 5 - 3i ? will give more points once answered fully and correctly

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Mathematics, 19.10.2019 20:20, genyjoannerubiera

Use these complex numbers from the table to write the following expression as a complex number in standard form. 2i(a ∙ e) − c + g (a = -3 − 4i, c = 13 + i, e = 8 − 8i, and g = 2 + 12i)

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