Question

Hey buddies !!!! Good evening


Verify the commutative law of multiplication for the following pair of rational numbers :-

11/13 and -26/-55


Thanks

Answer 1

$according \: to \: the \: this \: law : \\ AB = BA \\ let A = \frac{11}{13} \: and \: B = \frac{ - 26}{ - 55} \\ AB = BA --(i) \\ putting \: the \: values \: of \: A \: and \: B i n \: eq \: (i) : \\ \frac{11}{13} \times \frac{ - 26}{ - 55} = \frac{ - 26}{ - 55} \times \frac{11}{13} \\ \frac{2}{5} = \frac{ 2}{5} \\ = > \: hence \: verified</p><p></p><p>$

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