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número racional inverso

English translation: multiplicative inverse

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Spanish term or phrase:número racional inverso
English translation:multiplicative inverse
Entered by: David Russell

17:58 Apr 30, 2015
Spanish to English translations [PRO]
Science - Mathematics & Statistics / terminology
Spanish term or phrase: número racional inverso
From a Spanish maths textbook for 14-year-olds

In a section on rational numbers (a/b) it gives two further examples

número racional opuesto -a/b
número racional inverso b/a

However I can only find the term additive inverse rational number, which refers to the -a/b, so what would be the term for the "inverso" here?

Many thanks!
David Russell
Spain
Local time: 05:19
multiplicative inverse
Explanation:
http://en.wikipedia.org/wiki/Rational_number#Inverse
Selected response from:

Tim Friese
United States
Local time: 22:19
Grading comment
Thanks!
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +3multiplicative inverse
Tim Friese
5inverse rational number
slothm


  

Answers


1 min   confidence: Answerer confidence 5/5 peer agreement (net): +3
multiplicative inverse


Explanation:
http://en.wikipedia.org/wiki/Rational_number#Inverse

Tim Friese
United States
Local time: 22:19
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4
Grading comment
Thanks!

Peer comments on this answer (and responses from the answerer)
agree  DLyons: Yes, or just "inverse"// Not really, "additive" distinguishes that case. By default, "inverse" means "multiplicative inverse".
4 mins
  -> We need to say 'multiplicative' to distinguish from 'additive' which is -a/b. Thank you!
agree  lugoben: In school math they call it multiplicative inverse. Much later it is called inverse. As they are talking about school math it is then MI
52 mins
agree  Loreta Saddi
3 hrs
Login to enter a peer comment (or grade)

33 mins   confidence: Answerer confidence 5/5
inverse rational number


Explanation:
Just sticking to the text.

https://www.google.com.uy/url?sa=t&rct=j&q=&esrc=s&source=we...

If we multiply the original rational number with its inverse rational number that the result is always 1. Commutative Property of Rational Numbers

https://books.google.com.uy/books?id=IKmMKOtSI50C&pg=PA123&l...

Every non zero rational number x has an inverse rational number x~] .

https://www.google.com.uy/url?sa=t&rct=j&q=&esrc=s&source=we...

An inverse rational number exists that multi- plied with the original… .


slothm
Local time: 00:19
Works in field
Native speaker of: Spanish
PRO pts in category: 4
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