Ask a Question

Let * be a binary operation on set Q of rational numbers defined as

0 votes
85 views
in Discuss by (98.9k points)
edited
Let * be a binary operation on set Q of rational numbers defined as a * b = \(\frac{a b}{5}\). Write the identity for *.
(a) 5
(b) 3
(c) 1
(d) 6

1 Answer

0 votes
by (98.9k points)
selected by
 
Best answer
answer is a) 5

Related questions

0 votes
1 answer 146 views
If the binary operation * is defind on the set Q+ of all positive rational numbers by a * b
asked Jul 10, 2022 in Discuss by Doubtly (98.9k points)

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

Most popular tags

jeemain geography-10th engineering physics semester 5 web computing

5.7k questions

5.1k answers

108 comments

535 users

Doubtly
...