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The complex number I multiplied by 0 equals
The result is directly equal to 0
If the imaginary part of complex Z is 3 and the module is 5, then Z=
Z=4+3i
RELATED INFORMATIONS
- 1. Given that z is a complex number and the module of (z-2i) = 1, then the value range of the imaginary part of Z is
- 2. The profit of a commodity at its current price is 26% of the cost. If the cost is reduced by 10%, what percentage of the cost is the profit at the current price
- 3. If the cost of a commodity is reduced by 8% and the retail price remains unchanged, the profit margin will increase from the current M% to (M + 10)% Here's my calculation: Let the cost be X m%x=(m+10)%-92%x The result is m = 115 The other answers are m = 15. I want to know what's wrong with my problem-solving process. (my idea is basically: retail price remains unchanged. Cost * profit margin = retail price). I wonder where to reduce 100%?
- 4. Given the demand function q = 6750-50p, the total cost function TC = 12000 + 0.025q2 (Q2 is the quadratic power of Q), the maximum profit, output, price and maximum profit can be obtained
- 5. Let the price function be p = 15E ^ - X / 3 (x is the output) I need help
- 6. When a shopping mall sells a commodity, its profit margin increases by 8 percentage points because the purchase price is 6.4% lower than the original purchase price?
- 7. A and B stores buy a commodity at the same unit price of 200 yuan. Store a sells it at a 30% profit increase, and store B sells it at a 20% profit increase. As a result, the number of items sold by store B is twice that of store a, and the total profit is 8000 yuan more than that of store A. how many items do store a and store B sell?
- 8. Store a and store B sell the same goods at the same price, and each of them offers different preferential schemes: after purchasing 100 yuan goods in store a, 90% of the original price will be charged for the goods they buy again; after purchasing 50 yuan goods in store B, 95% of the original price will be charged for the goods they buy again. How can customers choose a store to get more preferential treatment? 1) When the cumulative purchase is more than 100 yuan but less than 150 yuan, which store will spend less? 2) When the cumulative shopping is just 150 yuan, which store will cost less?
- 9. How to solve the equation 5x + 3 times 15 = 215
- 10. (x-3 / 5x) + 20 = x / 2 solve the equation I'm begging you. Please do it,
- 11. How to find the complex number 1-I / 2I? First, what number does I represent
- 12. If (a + I) (1-I) = 2, then the real number a =?
- 13. Let f (x) = 16 / x ^ 2 + 8 (x is greater than 0) find the maximum value of F (x), and the denominator is x ^ 2 + 8. It is proved that f (x) < B ^ 2-3b + 21 / 4 for any real number B
- 14. The value range of complex modulus T ∈ R, t ≠ 0, z = t / (1 + T) + I * (1 + T) / T
- 15. If positive real numbers x, y satisfy 1 / (x + 1) + 9 / y = 1, then the minimum value of X + y is
- 16. 1 / x + 9 / y = 1, x, y are positive real numbers, find the minimum value of X + y I'll be able to do it after asking. Now I know three ways to do it Thank you. First floor
- 17. Solve the equation | - x-3.1415926 | + | - y + 11 / 8 | - 2y-7.13 | = 0
- 18. How to find the minimum value in MATLAB, such as finding the minimum value of function y = E. ^ x + 4x in - 1 to 2 interval
- 19. What is the minimum value of x2 + Y2 + 2x when x and y are greater than or equal to 0 and 3x + 4Y are greater than or equal to 12? X2 Y2 is the square of x.y
- 20. 4X + 3Y less than or equal to 12, x > = 0, Y > = x Then the value range of (x + 2Y + 3) / (x + 1) is? 11],