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anonymous
 5 years ago
(1/z)2 = 16
anonymous
 5 years ago
(1/z)2 = 16

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so we can take squareroot of both sides so we will get 1/z = 4 therefore 1 = 4z > 1/4 = z

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yup thanks for pointing that out. i still forget that. since you are working with a squareroot you hvae to take both positive and negative answer. because (4)^2 = 16 and so does (4)^2 = 16. so you hvae to take both positive nad negative answer into account
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