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1 /2 I - 100% + 1. Carry out the following operations on complex numbers. Express your answer in the form a + bi (a)

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1 /2 I - 100% + 1. Carry out the following operations on complex numbers. Express your answer in the form a + bi (a) (4-27) (3+i) (b) V3 2 2 hs (c) S+ 2i Iti 2. Solve the following quadratic equations. If the solutions are imaginary, write them in the form a + bi (a) x =-25 (b) x- 5x +7=0 (c) 2x + 6. x+5=0

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