Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 1083283: Calculate (2+i)^7. Give your answer in a+bi form
Click here to see answer by math_helper(2461)

Question 1083288: Calculate square(1-3i). Give your answer in a+bi form. In polar form use the angle 0≤θ<2π.
Click here to see answer by math_helper(2461)

Question 1083651: How would you write in standard form

Click here to see answer by Edwin McCravy(20056)

Question 1083651: How would you write in standard form

Click here to see answer by rothauserc(4718)

Question 1083657: in standard form?
Click here to see answer by ikleyn(52784)

Question 1083811: Find out the maximum and Minimum value of (a) |z-2|+|z-3|
(b) |2z-1|+|3z-2|
Click here to see answer by Edwin McCravy(20056)

Question 1083810: Find out the maximum and Minimum value of (a) 1z-21+1z-31
(b) 12z-11+13z-21
Click here to see answer by Alan3354(69443)

Question 1084298: 1/a = 1/b + 1/c
express b in term of a and c

Click here to see answer by Alan3354(69443)

Question 1084404: Niccole drove 500km from edmonton to lethbridge in 5.5hrs. she drove part of the way at 100kmh and the rest of the way at 80kmh. how far did she drive at each speed ?
Click here to see answer by Alan3354(69443)

Question 1084490: For what two values of x is the sum of these rational expressions undefined?Type your answer as two integers separated by a comma, like this: -13,

x+3/x^2-2x-15 + 3x+1/2x+6

Click here to see answer by MathLover1(20850)

Question 1084500: Subtract the sum of -2035 and 297 from -1000.

Click here to see answer by Cromlix(4381)

Question 1084763: convert -2 + 0i to polar form
Click here to see answer by Theo(13342)

Question 1084830: -30n = -27n - 63
Click here to see answer by Alan3354(69443)

Question 1084830: -30n = -27n - 63
Click here to see answer by math_helper(2461)

Question 1084887: i am having trouble solving the following equation over the complex number system.
x2 + 6x + 34 = 0
i have tried it and i got to -6/2 +25*i/2 and -6/2-25*i/2
Click here to see answer by josgarithmetic(39617)

Question 1085272: √p+10 - √p−5 = √3+p . Find the value of P
Click here to see answer by MathLover1(20850)

Question 1085359: Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation V = IZ, V is voltage, I is current, and Z is a value known as impedance. If V = 1-i and Z=1+3i, find I. Express your answer as a complex number in the form a+bi, where a and b are real numbers.
Click here to see answer by Boreal(15235)

Question 1085367: Find all complex numbers z such that
|z|^2-2\bar{z}+iz=2i
Click here to see answer by jim_thompson5910(35256)

Question 1085380: Let z=-8+15i and w=6-8i. Compute (zz\bar)/(ww\bar) where the bar represents the complex conjugate.

Click here to see answer by ikleyn(52784)

Question 1085380: Let z=-8+15i and w=6-8i. Compute (zz\bar)/(ww\bar) where the bar represents the complex conjugate.

Click here to see answer by jim_thompson5910(35256)

Question 1085385: What complex number equals (1 + isqrt{3})^6?
Click here to see answer by ikleyn(52784)

Question 1085385: What complex number equals (1 + isqrt{3})^6?
Click here to see answer by natolino_2017(77)

Question 1085900: I'd be very greatful if you could help me with this question in partial derivatives.
Find the first partial derivatives of
a. h(x,y) = e^ −(x2+y2)
b. 𝑧 = 𝑒^(𝑦) sin𝑥𝑦
p.s : i'm pretty sure this question comes under the category I chose so please excuse that :)
Click here to see answer by Edwin McCravy(20056)

Question 1085901: I'd be very greatful if you could help me with this question in partial derivatives.
Find the first partial derivatives of
a. h(x,y) = e^ −(x2+y2)
b. 𝑧 = 𝑒^(𝑦) sin𝑥𝑦
p.s : i'm pretty sure this question comes under the category I chose so please excuse that :)
Click here to see answer by MathLover1(20850)

Question 1086030: {x|x is an even integer between -6 and 6}
Click here to see answer by MathLover1(20850)

Question 1086041: Find a polynomial function of least degree having only real coefficients, a leading coefficient of 1, and zeros of 3 and 5 plus i .
Click here to see answer by Fombitz(32388)

Question 1086481: If f(x)=(x^5-6x^4+7x^3+6x^2-8x)/(x^2-2x)
(a) Find all intercept(s) if any.
(b) Find all asymptote(s), hole(s), gap(s),jump(s) if any.
(c) Graph.
(d) Give the domain and range.
Click here to see answer by Boreal(15235)

Question 1086561: Every real number is complex number

Click here to see answer by Alan3354(69443)

Question 1086724: solve the quadratic equation by using the zero product property.
(x+17)(X-2)+20

Click here to see answer by Alan3354(69443)

Question 1086723: solve the quadratic equation by using the quadratic form -4x^2+6x-5=0

Click here to see answer by Alan3354(69443)

Question 1086725: divide 2/3+7i/4i and write the answer in a+bi

Click here to see answer by Alan3354(69443)

Question 1086725: divide 2/3+7i/4i and write the answer in a+bi

Click here to see answer by MathTherapy(10552)

Question 1086727: solve radical equation √(2x+3i)+x=2

Click here to see answer by Edwin McCravy(20056)

Question 1086726: (3x/2x-1)-(4x/3x+1)=(18/6x^2-x-1)

Click here to see answer by KMST(5328)

Question 1086647:
Click here to see answer by ikleyn(52784)

Question 1083295: Calculate square root(1-3i). Give your answer in a+bi form. In polar form use the angle 0≤θ<2π.

Click here to see answer by Fombitz(32388)

Question 1087337: Solve for c.
18c + -19c = -16
Click here to see answer by josgarithmetic(39617)

Question 1087338: Solve for u.
-15u + 15u � -4u = -12

Click here to see answer by josgarithmetic(39617)

Question 1087338: Solve for u.
-15u + 15u � -4u = -12

Click here to see answer by MathTherapy(10552)

Question 1087340: Solve for y.
-4y + -4y + 11y + -19y � -17y = -17
Click here to see answer by josgarithmetic(39617)

Question 1087504: 2i(-4-i)^2
Click here to see answer by ikleyn(52784)

Question 1087503: Simplify
Equation in the link: http://prntscr.com/fuzja4
Click here to see answer by ikleyn(52784)

Question 1087503: Simplify
Equation in the link: http://prntscr.com/fuzja4
Click here to see answer by MathLover1(20850)

Question 1087502: Simplyfy
equation in the link: http://prntscr.com/fuzile
Click here to see answer by MathLover1(20850)

Question 1087507: Simplify
The equation is in the link: http://prntscr.com/fv0dob
Click here to see answer by josgarithmetic(39617)

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