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Mathematics 21 Online
OpenStudy (anonymous):

how do i do this... x squared +47=0... the solution set is x=??

OpenStudy (amistre64):

you find quantities for x that solve the problem

OpenStudy (amistre64):

as is; there are no real solutions

OpenStudy (anonymous):

So does that mean that it is zero? I need a solution set

OpenStudy (amistre64):

what is your domain of definition?

OpenStudy (amistre64):

what are we allowed to use for inputs, reals or complexes?

OpenStudy (anonymous):

express complex numbers in terms of i

OpenStudy (amistre64):

x^2 + 47 = 0 x^2 = -47 x = +- sqrt(-47) x = +- i sqrt(47)

OpenStudy (anonymous):

thanks !

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