Tutors Answer Your Questions about Complex Numbers (FREE)
Question 1088006: My question is about inverse functions, didn't see an area to submit them. Anyway I was hoping some one could help me with 2 questions that are confusing to me.
1). If g(x) and f(x) are inverse functions, then (gof)(x)= f(x),x,(fof)x)or (gog)(x). I think the answer is either f(x) or x.
2).what is the inverse function of f(x)=(x-1)/(x) ?
Click here to see answer by rothauserc(4718)   |
Question 1088467: I am too much confused when it arrives to finding argument of a complex number. Please can you help me with the correct method of finding the argument step by step in very detail way!
For eg-: If z1 and z2 are two non-zero complex numbers such that mod(z1+z2)=mod(z1)+mod(z2) then arg(z1)-arg(z2)=?
Now when I see this question, I think it must be -pi because I know only that much. I can't actually visualize the question, so please help me on understanding the concept of argument along with some special tricks and techniques for finding the arguments,(it may be some figures,graphs etc.) Thanks in advance!!!
Click here to see answer by ikleyn(52747)  |
Question 1090925: an adult human body contains about 75,000,000,000,000 cells. each is about 0.01 inch wide. If the cells were laid end to end to form a chain how long would the chain be in miles? Give your answer in scientific notation.
Click here to see answer by Alan3354(69443)  |
Question 1092500: A rectangular tank with a square base initially contained 2.6 liters of water. A cube of edges 15 centimeters was full of water. The water from the cubic container was poured into the tank until it was completely filled. There were 95 cubic centimeters of water left in the cube. (1 L = 1,000 cm3)
A. If the height of the rectangular tank is 30 centimeters, find the length and its base.
B. Water from the tank was then drained out at a rate of 0.49 liter per minute. Find the time taken to empty the tank.
Click here to see answer by Boreal(15235)  |
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