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  • '''Brahmagupta's identity''' states that for integers <math>a, b, c, d, n,</math> ...e product of two integers that can both be written in the form <math>x^2 + ny^2</math> for a given integer <math>n</math> can be written in the same form
    2 KB (274 words) - 20:16, 2 March 2023
  • Let <math>a@b</math> = <math>\frac{a}{2a+b}</math>. What is the value of <math>5@3</math>? Express your answer as a co ...esentation is <math>0.\overline{AB}</math>, where <math>A</math> and <math>B</math> are distinct digits?
    11 KB (1,672 words) - 21:18, 12 March 2023

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