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24-09-2017
Mathematics

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Simplify the expression: the square root of -13 times the square root of -26 calculator

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Аноним Аноним

24-09-2017

sqrt -13 = sqrt13 i
sqrt -26 = sqrt2 * sqrt13i

sqrt-13 * sqrt -26 = sqrt2 * 13* i^2 = -13 sqrt2 (because i^2 = -1)

answer is -13 sqrt2

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