Question

Simplify 3a/b^-1 +2b/a^-1

Answer 1

Answer:

5ab

Step-by-step explanation:

3a/b^-1 + 2b/a^-1

= 3a × b + 2b × a

= 3ab + 2ab

= 5ab

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Answer 2

Answer:

$\huge \red{ \underline{solution}} \\ \\ using \: identity \: \frac{1}{ {x}^{ - 1} } = x \\ \\ \green{according \: to \: the \: question} \\ \\ \implies \: \frac{3a}{ {b}^{ - 1} } + \frac{2b}{ {a}^{ - 1} } \\ \\ \implies \: 3ab + 2ab \\ \\ \implies \: 5ab$