Lecture-1

Binomial Theorem Lecture 1
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Introduction to Binomial Theorem

\left ( a+b \right )^n =\sum_{r=0}^{n}{^n}C_r a^{n-r} b^r 

Pascal Triangle and Derivation for Binomial Theorem

NCERT Exercise 8.1

Expand each of the expressions in Exercises 1 to 5.

Question 1.  (1-2x)^5

Question 2. \left ( \frac{2}{x} – \frac{x}{2} \right )^5

Question 3. (2x-3)^6