Study Tips: Sum of Infinite Telescoping Series

This tip on sequences and series was contributed by one of our top tutors, Rushil Shah.

    What you will learn from this tip:
  • An understanding of a telescoping series
  • The trick to calculate the sum of a telescoping series


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Telescoping series

A telescoping series is any series where nearly every term cancels with a preceding or following term.…

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Study Tips: Properties of Triangles That You Need To Know

This Coordinate Geometry tip was contributed by Kshitij of BITS Pilani, Goa Campus.

What you will learn from this tip:
— Formulae to calculate trigonometric ratios of half-angles
— The properties of every triangle

Trigonometric ratios of half-angles

Here are some important formulae that you should note down to calculate the trigonometric ratios of half-angles.…

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