Let be a binary operation on set Q of rational numbers defined as… - Vidyadip

MCQ

Let $\times$ be a binary operation on set $Q$ of rational numbers defined as $\text{a}\times\text{b}=\frac{\text{ab}}{5}.$ Write the identity for $\times .$

✓
$5$
B
$3$
C
$1$
D
$6$

✓

Answer

Correct option: A.

$5$

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