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Meaning of imaginary number | Babel Free

Noun CEFR B2

Definitions

  1. A number of the form bi, where b is any real number and i denotes the imaginary unit.
    strict-sense
  2. A number of the form a + bi, where a and b are real numbers and b is nonzero.

Equivalents

Examples

“If a#61;0, then x#61;ib is called an imaginary number. The message here is that we must introduce imaginary numbers in order to be able to solve quadratic equations in general.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

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