Monthly Archives: May 2022

IB Sigma Notation (3 different methods)

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Why Coefficients of orthonormal vectors in Gram Schmidt are of the form AA’/A’A ?

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Dirichlet’s discontinuous Integral

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Why determinant of inverse matrix is reciprocal of the original matrix ?

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How to check if the vertices of a quadrilateral form a parallelogram ?

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How sin(x)/x integration leads to integration of e^(i omega x)/x ?

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Higher power of matrices

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Cauchy Schwarz Inequality (Integrals)

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How to use Euler’s formula to find the integral of (sin x)^2n over 0 to pi

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SAT Mock Paper 1 25 Minutes

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