Complex Numbers Multiplying Binomials Worksheet. To multiply two complex numbers such as 4 5i cdot 3 2i you can treat each one as a binomial and apply the foil method to find the product. Explain why complex conjugates do not have an i term challenge problems 1.
R worksheet by kuta software llc kuta software infinite pre algebra name multiplying binomials date period. Foil stands for first outer inner and last pairs. To multiply two complex numbers such as 4 5i cdot 3 2i you can treat each one as a binomial and apply the foil method to find the product.
1 64i 2 14i 3 18 6i 4 8i 5 24 6 64 7 20 46i 8 25 49i 9 20 50i 10 18 66i 11 2 18i 12 30 20i 13 21 18i 14 24 36i 15 126 210i 16 7 35i 17 7 199i 18 568 144i 19 252 84i 20 224 288i.
These complex numbers are known as complex conjugates. 1 64i 2 14i 3 18 6i 4 8i 5 24 6 64 7 20 46i 8 25 49i 9 20 50i 10 18 66i 11 2 18i 12 30 20i 13 21 18i 14 24 36i 15 126 210i 16 7 35i 17 7 199i 18 568 144i 19 252 84i 20 224 288i. Multiply the next few complex number pairs and try to recognize a pattern 21 3 2 3 2 ii 22 ii 4 5 4 5 23 ii7 3 7 3 24 look carefully at questions 21 23. Foil stands for first outer inner and last pairs.
