## Lecture 3 General Term Chapter 8 Class 11 Maths

You have to be at your strongest when you’re feeling at your weakest.

# Lecture - 3 Chapter 8 Binomial Theorem

Total number of terms in a Binomial Expansion, General Term of Binomial Expansion, Finding Term in a Binomial Expansion

 NCERT Exercise 8.2

Find the coefficient of

Question 1. $$x^5$$ in $$(x+3)^8$$

Question 2. $$a^5b^7$$ in $$(a-2b)^{12}$$

Write the general term in the expansion of

Question 3. $$(x^2-y)^6$$

Question 4. $$(x^2-yx)^{12}, x \ne 0$$

Question 5. Find the 4th term in the expansion of $$(x-2y)^{12}$$.

Question 6.  Find the 13th term in the expansion of $$\left ( 9x – \frac{1}{3 \sqrt{x}} \right )^{18}, x \ne 0$$

Question 9. In the expansion of $$(1+a)^{m+n}$$, prove that coefficients of am and an are equal.

Question 12. Find a positive value of m for which the coefficient of x2 in the expansion $$(1+x)^m$$ is 6.