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Matrices and numbers

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Find the two numbers whose sum is 76 and quotient is 18.

Evaluate the determinate l 8 0 0 l
l -16 7 8 l
l 8 4 5 l

FInd A-1(power) where A = l 2 4 l
l 2 5 l

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Solution Summary

The three problems in this set involve finding a pair of numbers with given sum and quotient, determinant, and inverse.

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