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Question
Find the sum of additive inverse and multiplicative inverse of 7.
Sum
Solution
The additive inverse of 7 = – 7
The multiplicative inverse of 7 = `1/7`
∴ Required sum = `-7 + 1/7`
= `(-49 + 1)/7`
= `(-48)/7`
= `-6 6/7`
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Verify – (– x) = x for x = `3/5`
