What is expand (a+bi)(c+di)(e+fi) ?

The solution to expand (a+bi)(c+di)(e+fi) is (eac-ebd-adf-bcf)+i(ead+ebc+acf-bdf)

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expand (a+bi)(c+di)(e+fi)

expand

(a + bi) (c + d i) (e + f i)

(e a c - e b d - a df - b c f) + i (e a d + e b c + a c f - b df)

Solution steps

(a + bi) (c + d i) (e + f i)

= (a + ib) (c + i d) (e + i f)

Expand

(a + bi) (c + d i) : (a c - b d) + i (a d + b c)

= ((a c - b d) + i (a d + b c)) (e + f i)

Expand

((a c - b d) + i (a d + b c)) (e + f i) : (e a c - e b d - a df - b c f) + i (e a d + e b c + a c f - b df)

= (e a c - e b d - a df - b c f) + i (e a d + e b c + a c f - b df)

(6 sin (x) + 9 cos (x)) arctan (x)

\frac{- 3 + 6 a + 36 a ^{2} - 20 a + 1}{2 ( 1 - 2 a )}

\frac{( 1 + 2 x ) ^{2}}{1 - 2 x + 4 x ^{2}}

G (1, - 1) H (- 3, 3) L (3, 3)

What is expand (a+bi)(c+di)(e+fi) ?
The solution to expand (a+bi)(c+di)(e+fi) is (eac-ebd-adf-bcf)+i(ead+ebc+acf-bdf)