Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 882119: 900/x=(900/(x+6))+25
how to solve?
Click here to see answer by josgarithmetic(39613)

Question 882269: TRUE OR FALSE WHEN A COMPLEX NUMBER IS DIVIDED WITH ANOTHER COMPLEX NUMBER THEN THE FINAL RESULT BECOMES A NEW COMPLEX NUMBER?
Click here to see answer by Alan3354(69443)

Question 882938: Find the smallest natural number to be multiplied with 72000 so that the product is a 5th power of an integer
Click here to see answer by Fombitz(32388)

Question 882940: Solve: 1/(x-7)<=0
Click here to see answer by stanbon(75887)

Question 882935: If (x+2) & (x-1) are factors of (x3 +10x2 + m x +n) find the value m&n.

Click here to see answer by stanbon(75887)

Question 882932: Use synthetic division to find the quotient and the remainder of

Click here to see answer by cigany29(23)

Question 883032: Write using exponential form.
-10(x-9)(x-9)(x-9)(x-9)

I missed this lecture in class and need help. I came up with -10(x-9) to the fourth, but not sure if I got it right. Please help and Thank you
Click here to see answer by LinnW(1048)

Question 882939: Solve:
Click here to see answer by LinnW(1048)

Question 882939: Solve:
Click here to see answer by MathTherapy(10549)

Question 883282: Write using exponential form.
5 to the eighth
____________
5 to the second

I added the eight and two and my answer is 5 to the tenth. Can you please check my answer and let me know if I did it right? Thank you
Click here to see answer by jim_thompson5910(35256)

Question 883426: Simplify 1/6+5i to get a complex number in standard a + bi form.
Click here to see answer by Fombitz(32388)

Question 883727: the functions f and g are defined as follows
f(x)=4x+2
g(x)=4x^2-x
find f(-3) and g(-4)
simplify your answer as much as possible
Click here to see answer by jim_thompson5910(35256)

Question 883742: can some one help me with this last one f(x)=4x^2-x
g(x)=-3x-1
find(-2) and g(4)
simplfy your answer

Click here to see answer by Alan3354(69443)

Question 883741: can some one help me with this last one f(x)=4x^2-x
g(x)=-3x-1
find(-2) and g(4)
simplfy your answer

Click here to see answer by Alan3354(69443)

Question 883744: can some one help me with this last one
f(x)=4x^2-x
g(x)=-3x-1
find(-2) and g(4)
simplfy your answer

Click here to see answer by Alan3354(69443)

Question 883948: Write the quadratic equation whose roots are-1 and 6
, and whose leading coefficient is 4
(Use the letter to represent the variable.)
?=0
Click here to see answer by richwmiller(17219)

Question 883874: Consider the ellipse x^2 + 2y^2 = 16. Find the maximum value of the product xy on the ellipse.
Click here to see answer by Fombitz(32388)

Question 884138: i^-39
Click here to see answer by Alan3354(69443)

Question 884136: (5i)(-3/5i)
Click here to see answer by josgarithmetic(39613)

Question 884283: Solve 3+i / 5-2i
Click here to see answer by Fombitz(32388)

Question 884438: Find the values of x and y that make the given equation true.
-2x + 6i = (-24y)i � 14
-4 + (y)i = -12x � i + 8
5(x - 1) + (3y)i = - 15i -20
9x + (y)i � 5 = - 12i + 4
HELP PLEASE!!!!
Click here to see answer by stanbon(75887)

Question 884432: Solve the given equation. Use +/- to represent .
x� = -9
2x� + 72 =0
4x� = -16
x� + 121 = 0
x� + 49 = 0
Click here to see answer by Fombitz(32388)

Question 884471: Find the zeros of the given functions.
f(x) = x� - 12x + 45
g(x) = x� + 6x + 34
Click here to see answer by Fombitz(32388)

Question 884620: x^1/2 divided by x^1/4
Click here to see answer by Fombitz(32388)

Question 884958: Find the remainder when 1! + 2! + 3! ... + 100! is divided by 24
Click here to see answer by Edwin McCravy(20054)

Question 884994: can you help me solve these problems?

Click here to see answer by richwmiller(17219)

Question 884996: can you help me solve these problems?

Click here to see answer by richwmiller(17219)

Question 885810: what is the answer of this given complex fraction (x+2)/[x(x-1)]+(1)/(x+1)/(x)/[(2x+1)(x-1)]+(1)/(x-1)?
Click here to see answer by josgarithmetic(39613)

Question 886569: Train A is 75 m long & travels at a uniform speed of 54 km/hr. Train B is125m long & travels at a uniform speed of 36 km/hr in the direction opposite to that of Train A. If these trains are crossing at a double track stretch, what is the time taken for the two trains to fully clear each other ?
Click here to see answer by lwsshak3(11628)

Question 887044: Express 8j^23 - 8(j^3)^2 in rectangular form.
Click here to see answer by Edwin McCravy(20054)

Question 887217: minnette bought a lot with the four sides measuring 23 3/8m;17 4/5m;26 1/4m; and 19 1/2m.Find the perimeter of the lot.
Click here to see answer by stanbon(75887)

Question 887639: If a+b=2, then 2-a=b & 2-b=a
And (1-i)a+(1+i)b=0, define a&b
My attempt:
(1-i)a+(1+i)b=0
(a-ai)+(b+bi)=0
(a+b)+(-ai+bi)=o
(2)+(-(2-b)i+bi)=0
2+(-2i+bi+bi)=0
2+(-2i+bi^2)=0
2+(-2i-b)=o
2-b+(-2i)=o
2-2i=b,?
Click here to see answer by Fombitz(32388)

Question 887996: Which is the right one?
1.|ź1z2+1|^2 = (ź1z2+1)*(z1ź2+1)
2.|ź1z2+1|^2 = (ź1z2+1)^2 = (ź1z2)^2+2*(ź1z2)+1
P.S. and why if you could explain to me.
Click here to see answer by Alan3354(69443)

Question 887983: the maximum value of |z| when z satisfies the condition |z+2/z|=2 is
Click here to see answer by rothauserc(4718)

Question 888022: If z1+z2+z3=0 and z1^2+z2^2+z3^2=0, prove that |z1|=|z2|=|z3|

Click here to see answer by Edwin McCravy(20054)

Question 888007: If z1+z2+z3=0 and z1^2+z2^2+z3^2=0, prove that |z1|=|z2|=|z3|
Click here to see answer by Edwin McCravy(20054)

Question 888090: For any complex number z, the minimum value of |z|+|z-1| is?
Click here to see answer by Edwin McCravy(20054)

Question 888267: Express the following in the form of a+ib, a, b belongs to R, i=square root of -1. State the values of a and b
(2+i)upon (3-i)(1+2i)
Click here to see answer by josgarithmetic(39613)

Question 889155: $\frac{x^2+6x-7}{x^2-64}-\frac{x^2+5x-6}{x^2+7x-8}$
Click here to see answer by Fombitz(32388)

Question 889220: rewrite 7+squareroot-121 in complex number notation.
Click here to see answer by jim_thompson5910(35256)

Question 890105: 6+2i/1+2i
Click here to see answer by Okamiden(22)

Question 877266: how would I write the following expression as complex numbers in standard form?
-2-5i/3i

Click here to see answer by tommyt3rd(5050)

Question 890275: Find the real part of 1 + z^2 *z
Click here to see answer by Edwin McCravy(20054)

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