Hi, I understand that differentiate both ln x and ln |x| will give 1/x. But why . Is it ok if I write Can someone help?
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Originally Posted by acc100jt Hi, I understand that differentiate both ln x and ln |x| will give 1/x. But why . Is it ok if I write Can someone help? It depends on the interval x is defined on. If , then its safe to say that . However, if , then . Thus, it would be best to define for (any real number except zero)
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