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Find Real Numbers $a$ And $b$ Such That the Equation $a + b i = - 10 + 10 i$

Question 112

Multiple Choice

Find real numbers $a$ and $b$ such that the equation $a + b i = - 10 + 10 i$ is true.

A) $a = 10 , b = - 10$
B) $\quad a = - 10 , b = - 10$
C) $\quad a = 10 , b = 10$
D) $a = - 10 , b = 10$
E) $\quad a = - 20 , b = 0$

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