NCERT class 11 maths chapter 8 Binomial Theorem
Question 1:x5 in (x + 3)8
Exercise 8.2 maths class 11 Chapter 8 Binomial Theorem
Question 2:a5b7 in (a – 2b)12 . Write the general term in the expansion of
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Question 3:(x2 – y)6
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Question 4:(x2 – yx)12, x ¹ 0.
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Question 5:Find the 4th term in the expansion of (x – 2y)12.
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Question 6:Find the 13th term in the expansion of 18 1 9 3 x x æ ö ç − ÷ è ø , x ¹ 0. Find the middle terms in the expansions of
class 11 Maths NCERT Solutions Chapter 8 Binomial Theorem Exercise 8.2
Question 7:7 3 6 3 ÷ ÷ø ö ç çè æ − x
Exercise 8.2 class 11 Math ncert solutions Chapter 8
Question 8:10 9 3 x y æ + ö ç ÷ è ø .
EXERCISE 8.2Find the coefficient of1. x5 in (x +
Question 9:In the expansion of (1 + a)m+n, prove that coefficients of am and an are equal.
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Question 10:The coefficients of the (r – 1)th, rth and (r + 1)th terms in the expansion of (x + 1)n are in the ratio 1 : 3 : 5. Find n and r.
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Question 11:Prove that the coefficient of xn in the expansion of (1 + x)2n is twice the coefficient of xn in the expansion of (1 + x)2n – 1.
Question 12:Find a positive value of m for which the coefficient of x2 in the expansion (1 + x)m is 6.
