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Shared publicly -Latest video, E(X²) for Discrete random variables just added. I hope you find it useful.

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Latest video, E(X²) for Discrete random variables just added. I hope you find it useful.

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Test yourself on finding the determinant of this 3x3 matrix using the 1st column

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Test yourself on finding the determinant of this 3x3 matrix using the 2nd row

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Test yourself on finding the determinant of this 3x3 matrix using the 1st row

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Latest video to hit the big screen - Mixed exercise on finding an angle using trigonometry.

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Test yourself on finding the determinant of this 3x3 matrix using the 3rd row

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Test yourself on finding the determinant of this 3x3 matrix using the 2nd row

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Latest offering on matrices - Determinant of a 3x3 matrix

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