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Logarithm 'Show that' exam style

'Show that' questions on logarithms are probably the hardest type of question, on this topic, that is asked of SL students in exams (level 6/7). They require students to be very fluent in the conversion of a logarithm to an exponential, and vice-versa. This implies a solid understanding of logarithms as inverse function for unknown powers (exponential functions). The following questions are carefully designed to...

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