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Exam Tips and Calculator Tricks
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Study hard but keep on making careless mistakes during exam? Keep on running out of time doing expansion? These courses are going to guide you through how to eliminate ALL careless mistakes by using secret techniques and calculator tricks.
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Asian Science and Mathematics Olympiad 2020
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Inverse of Matrices
Everyone knows how to find the inverse of a given matrix. But it's very tedious when it comes to 3x3 or 4x4 matrices and it is easy to make a careless mistake.
So how do we use calculator to find the inverse of a matrix?
Don't expect the results without the work. “The only place where success comes before work is in the dictionary.”
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