Reciprocal

Calculate reciprocal of z=0.8-1.8i:

Result

Re =  0.21
Im =  0.46

Solution:

Solution in text Re =
Solution in text Im =

Try another example






Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this verbal math problem are needed these knowledge from mathematics:

Try our complex numbers calculator.

Next similar math problems:

  1. De Moivre's formula
    sqrt3_complex There are two distinct complex numbers z such that z3 is equal to 1 and z is not equal 1. Calculate the sum of these two numbers.
  2. Log
    exp_log Calculate value of expression log |3 +7i +5i2| .
  3. ABS CN
    complex_num Calculate the absolute value of complex number -15-29i.
  4. Median and modus
    dice_3 Radka made 50 throws with a dice. The table saw fit individual dice's wall frequency: Wall Number: 1 2 3 4 5 6 frequency: 8 7 5 11 6 13 Calculate the modus and median of the wall numbers that Radka fell.
  5. Geometric progression 2
    exp_x There is geometric sequence with a1=5.7 and quotient q=-2.5. Calculate a17.
  6. Doctors
    cvach1 In the city operates 171 doctors. The city has 128934 citizens. How many citizens are per one doctor?
  7. Bakers
    chlieb Baker Martin baked 5 times more cakes than Dennis. How many cakes baked Dennis if Martin bake 25 cakes?
  8. Im>0?
    ReIm Is -10i a positive number?
  9. Imaginary numbers
    Complex_conjugate_picture.svg Find two imaginary numbers whose sum is a real number. How are the two imaginary numbers related? What is its sum?
  10. Calculation
    pocty How much is sum of square root of six and the square root of 225?
  11. Complex number coordinates
    complex_numbers Which coordinates show the location of -2+3i
  12. Is complex
    cplx Are these numbers 2i, 4i, 2i + 1, 8i, 2i + 3, 4 + 7i, 8i, 8i + 4, 5i, 6i, 3i complex?
  13. Linear imaginary equation
    cplx_function Given that ? "this is z star" Find the value of the complex number z.
  14. Theorem prove
    thales_1 We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  15. Quadratic equation
    kvadrat_2 Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
  16. Equation
    calculator_2 Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
  17. Six terms
    sequence_geo_3 Find the first six terms of the sequence a1 = -3, an = 2 * an-1