Level 354 Level 356
Level 355

Imaginary Numbers & Operations on Complex Numbers


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1
i^0
i
i^1
-1
i^2
-i
i^3
1
i^4
How to find i to any power.
Any number squared is equal to a positive i's value is equal to the value of the square root of -i. Any multiple of the four equals one.
complex conjugate
the value of 1 represented by the denominator of a complex fraction with opposite sign
How to solve (2i+3)/(9-i)
(2i+3)/(9-i)for the denominator you multiply by the conjugate and what u do to the bottom u have to do to the top then you distribute the bottom then the top then add like terms then you simplify. 21i+25/17
Foil, multiply everything.
How to multiply complex numbers, for example (2+i)(2i-3)
Combine like terms.
How to add and subtract complex numbers. (2-3i) - (4+6i)