Is complex

Are these numbers 2i, 4i, 2i + 1, 8i, 2i + 3, 4 + 7i, 8i, 8i + 4, 5i, 6i, 3i complex?

Result










Leave us a comment of example 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 example are needed these knowledge from mathematics:

Try our complex numbers calculator.

Next similar examples:

  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. 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?
  3. Complex number coordinates
    complex_numbers Which coordinates show the location of -2+3i
  4. Reciprocal
    complex_numbers Calculate reciprocal of z=0.8+0.6i:
  5. Linear imaginary equation
    cplx_function Given that ? "this is z star" Find the value of the complex number z.
  6. Im>0?
    ReIm Is -10i a positive number?
  7. ABS CN
    complex_num Calculate the absolute value of complex number -15-29i.
  8. Sequence
    sunflower Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702.
  9. Theorem prove
    thales_1 We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  10. Trinity
    trojka How many different triads can be selected from the group 38 students?
  11. Calculation of CN
    color_combinations Calculate: ?
  12. Equation
    calculator_2 Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
  13. 75th percentile (quartille Q3)
    statistics Find 75th percentile for 30,42,42,46,46,46,50,50,54
  14. Seats
    divadlo_2 Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row
  15. Six terms
    sequence_geo_3 Find the first six terms of the sequence a1 = -3, an = 2 * an-1
  16. Discriminant
    Quadratic_equation_discriminant Determine the discriminant of the equation: ?
  17. Quadratic equation
    kvadrat_2 Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.