How to Subtract Radicals When Indexes Are Not the Same?

Answer Subtracting expressions containing radicals is a common exercise in high school and college algebra and calculus classrooms. A radical expression is one in which the "root" of a certain value is ta... Read More »

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How To Add and Subtract Radicals in Trigonometry?

Trigonometry has many applications, in both the 2D and 3D worlds. Geographers and astronomers use trigonometry in their research and observation, but trigonometry can also be useful to the carpente... Read More »

When are nonclustered indexes rebuilt?

In Microsoft SQL Server 2000 Service Pack 2 (SP2), selecting the option to rebuild a clustered index automatically forces all nonclustered indexes of the table being rebuilt to be reconstructed sim... Read More »

How to Subtract Numbers in Your Head When Regrouping is Needed?

Knowing how to subtract numbers in your head can be very helpful, especially in tests where you may not have the time to write the problem down. Read on to find out how to mentally subtract numbers... Read More »

How to Rebuild Indexes?

A database index rebuild is one of the many maintenance tasks of a database administrator. Depending on the size and fragmentation of a database the index rebuild may be scheduled to run daily, wee... Read More »