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

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asked Jul 10, 2022 in Discuss by Doubtly (98.9k points)
edited Jun 29, 2023

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

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1 Answer

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answered Jul 10, 2022 by Doubtly (98.9k points)
selected Jun 29, 2023 by Doubtly

Best answer

answer is a) 5

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