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The rectangular form of a complex number is a sum of two terms.
Complex number form math. A bi c di a c b d i. This way a complex number is defined as a polynomial with real coefficients in the single indeterminate i for which the relation i 2 1 0 is imposed. Multiplication of complex numbers at byju s. Complex numbers are combinations of real numbers and imaginary numbers.
Every real number is a complex number but every complex number is not necessarily a real number. Part and the number s. The set of all complex numbers is denoted by z in mathbb c z c. Greend text imaginary imaginary.
And we get the complex plane. When in the standard form a a is called the real part of the complex number and b b is called the imaginary part of the complex number. The standard form of a complex number is a bi a b i where a a and b b are real numbers and they can be anything positive negative zero integers fractions decimals it doesn t matter. Start color 11accd start text r e a l end text end color 11accd.
Blued text real real. A complex number can now be shown as a point. A complex number is a number of the form a bi where a and b are real numbers and i is an indeterminate satisfying i 2 1 for example 2 3i is a complex number. To add two complex numbers we add each part separately.
Based on this definition complex numbers can be added and multiplied.
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