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Mathematics 7 Online
OpenStudy (curry):

Assume that 2-3i is a solution of ax^2+bx+c=0, where a,b,c are real numbers, which of the following is also a solution of the equation? 2+3i -2-3i -2+3i 3+2i 1/(2-3i) Assume that 2-3i is a solution of ax^2+bx+c=0, where a,b,c are real numbers, which of the following is also a solution of the equation? 2+3i -2-3i -2+3i 3+2i 1/(2-3i) @Mathematics

OpenStudy (curry):

work al

OpenStudy (anonymous):

first one, the "conjugate"

OpenStudy (curry):

how do u know like how do u prove it

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