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Class 11 Sequences and Series Formulas by Ben Teenyson is a document available to read on EtoBox.

What is Class 11 Sequences and Series Formulas about?

The document summarizes arithmetic progressions (AP) and geometric progressions (GP). It provides formulas for the nth term and sum of an AP as an = a + (n-1)d and Sn = (n/2)(a + l), and for a GP as an = arn-1 and Sn = a(r^n - 1)/(r - 1) if r ≠ 1. It also discusses arithmetic mean and geometric mean of two numbers. The document lists textbook questions and extra practice problems related to sequences and series.

Author

Ben Teenyson

Language

EN