Monthly Archives: April 2022

SAT similar triangle

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SAT Problem on ratios

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AB=BA and yet A and B are not inverse of each other

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Invertible square matrix has a unique solution for all b in Ax=b

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Implementing command line power function in C

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Application of alternate segment theorem

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Why opposite angles are supplementary in a cyclic quadrilateral ?

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Hand drawn function and its reflection about x and y axis

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Matrix multiplication

Suppose the last column of AB is entirely zero but B itself has no columns of zeros. What can you say about the columns of A ?

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String comparison in C

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