Question

simplify (5^-1-4^-1)^-1+(2^-1-3^-1)^-1​

Answer 1

${( {5}^{ - 1} - {4}^{ - 1}) }^{ - 1} + {( {2}^{ - 1} - {3}^{ - 1} )}^{ - 1}$

$= - 20 + 6$

$= - 14$

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