### Mathematics Class XI

Unit-I: Sets and Functions
Chapter 1: Sets
Unit-II: Algebra
Chapter 5: Binomial Theorem
Unit-III: Coordinate Geometry
Chapter 1: Straight Lines
Chapter 2: Conic Sections
Unit-IV: Calculus
Unit-V: Mathematical Reasoning
Unit-VI: Statistics and Probability
Chapter 1: Statistics
Chapter 2: Probability

# Introduction to Binomial Theorem

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We have learnt how to find the squares and cubes of binomials like ,.etc.

We have to expand , where is a integer or rational number. This difficulty was overcome by a theorem known as Binomial Theorem.

History:

Binomial expansion for the case was used by Greek Mathematician Euclid around 300 B.C. During that period the Hindu Mathematicians also knew about the co-efficient of binomial expansion.

Sir Isaac Newton generalized the binomial theorem for negative integral and fractional indices in 1665.

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