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OpenStudy (anonymous):
How do I simplify: -√-169?
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OpenStudy (hennawho):
you pull out an i and just take the root so its -13i
OpenStudy (anonymous):
I would ignore the negative signs because its -(-) which equals a + so just find the square root of of 169
OpenStudy (welshfella):
no - thats not correct this is the square of negative 169 which is an imaginary number have you come across the operator 'i' ?
OpenStudy (anonymous):
Yes, but i=-1 so would another neg. cancel the i out?
OpenStudy (welshfella):
i = sqrt(-1)
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OpenStudy (anonymous):
Mmkay... So the answer is... 13i
OpenStudy (welshfella):
no - 13i
OpenStudy (anonymous):
Okay, thank you😊
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