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Purvi Mody, a college admissions expert and co-owner of Insight Education(http://www.insight-e­ducation.net), answers a question from a student.

As...

Some identities associated with logarithms

Ever wondered where the sum formula for a geometric series comes from?? Wonder no more.

Using the power rule to differentiate fractions with variables in the denominator. First of two videos on this topic.

http://www.mindbites.com/se... for a bundle of videos on the Power Rule. For an even broader bundle of videos that cover the Power Rule and Co...