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Level 354

Imaginary Number & Complex Numbers


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i^0
1
i^1
i
i^2
-1
i^3
-3
i^4
1
How to find any Power
i^26/4= i^24 x i^2 =-1 so u divide the number by 4 and whatevers left over is the number that its equal to.
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
How to multiply complex nubers(2+i)(2i-3)
(2+i)(2i-3) you would use the foil methom which is first outter inner last. (2x2i)(2x-3)(ix2i^2)(ix(-3) =i-8
How to add and subtract complex numbers (2-3i)-(4+6i)
(2-3i)-(4+6i)you would distribute the negitive and combine your like terms and your answer is -2-9i