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OpenStudy (anonymous):
How would I go about simplifying -(sq.rt. -36) ?
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OpenStudy (anonymous):
sqrt(-36)= sqrt(36) times i, so 6i
OpenStudy (anonymous):
oh and negative on outside makes it -6i
OpenStudy (anonymous):
Ok, but can you explain how you got that? Why is there an "i"?
OpenStudy (anonymous):
i is the sqrt(-1). sqrt(-1) is an imaginary number. surely you've learned those?
OpenStudy (anonymous):
I have, but I'm homeschooling so it's difficult to teach myself the theories and my online textbook is not currently working. Thanks for your help.
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OpenStudy (anonymous):
youre welcome
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