Find the complex conjugates for each of the following numbers: a. -2= b. 10i c. 95 - 94i = d. 266 45 =

Q: 7. Multiply the following two complex numbers: (4 - 5i)(-2 + 7i)

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Q: In the complex number 3 + 4i, the absolute value is: А. 3 В. 4 С.5 D. 6

A: Solution

Q: Simplify the expression -i+ (7+ 8i) 2i(-6+2i) + - 1-i to the form a + y · i where a and y are real…

A: The given expression 2i-6+2i+-i+7+8i¯¯1-i. Simplify the expression 2i-6+2i+-i+7+8i¯¯1-i in standard…

Q: Add the following complex numbers. Write the difference in standard form. (2-4i)+(i+6)

A: Here we have to add the given complex numbers. Thereafter we shall write the difference in standard…

Q: Divide each complex number 32cis150 degrees / 3cis30 degress

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Q: Let a = – 4i – 5j and b – 7i + 3j. Find a - b

A: we have  a→=-4i→-5j→ and b→=-7i→+3j→

Q: Graph each complex number: 2 + 4i, -2 - 4i, and 2 - 4i.

A: Given the complex numbers: 2+4i, -2-4i and 2-4i

Q: Express the following in the form a + bi, where a and b are real numbers: 60i-11

A: Introduction: Like a real number, the square roots of a complex number can also be determined. A…

Q: Find the 3rd roots of the following complex number: 27cis(174∘) Do not round and type "degree" for…

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Q: Given the following complex numbers, find: x = 4 + 5i y = 6 - 3i z = 4 + 4i a. the product of x*…

A: Let's find.

Q: Write each of the following in rectangular form for the complex numbers w = 3 + 5i and z = -4 + i.

A: In the rectangular form, a complex number can be represented as a point on a two dimensional plane…

Q: 6 Write each of the following complex numbers in the form a + bi. (a)* 3 cis120°

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Q: Find a complex number for which Arg(z bar) does not equal -Arg(z).

A: For all non zero complex number we have Arg(z bar) = - Arg (z)  as if z = x+iy  which imples z¯ = x…

Q: Take the last four digits ABCD of your student identification number, and let z1 = A + Bi and z2 = C…

A: We will be taking the last 4 digits as ABCD. Let z1 = A + Bi and z2 = C + Di be the corresponding…