Find the value of \(\frac{1+\sqrt{3}}{1-\sqrt{3}}+\frac{1-\sqrt{3}}{1+\sqrt{3}}\).
A alone can finish a task in 10 days and B alone can finish the same task in 20 days. In how many days can A and B working together finish this task?
6 \( \frac{2}{3} \) days
6 \( \frac{1}{3} \) days
6 \( \frac{1}{2} \)days
6 days
Select the Venn diagram that best represents the relationship between the following classes. Mammals, Amphibians, Blue Whale.
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