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प्रश्न
Multiply:
\[- \frac{3}{5} \text{by} - \frac{4}{7}\]
योग
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उत्तर
\[\frac{- 3}{5} \times \frac{- 4}{7} = \frac{( - 3) \times ( - 4)}{5 \times 7} = \frac{12}{35}\]
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