NCERT Solutions for Class 11 Maths Chapter 8 Binomial Theorem — Exercise 8.1

Question 1:(1–2x)5

NCERT class 11 maths chapter 8 Binomial Theorem

Question 2:5 2 2 x – x æ ö çè ÷ø

Exercise 8.1 maths class 11 Chapter 8 Binomial Theorem

Question 3:(2x – 3)6

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Question 4:5 1 3 x x æ + ö çè ÷ø

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Question 5:6 1 ÷ø ö ç è æ + x x Using binomial theorem, evaluate each of the following:

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Question 6:(96)3

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Question 7:(102)5

Question 8:(101)4

Exercise 8.1 class 11 Math ncert solutions Chapter 8

Question 9:(99)5

EXERCISE 8.1Expand each of the expressions in Exer

Question 10:Using Binomial Theorem, indicate which number is larger (1.1)10000 or 1000.

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Question 11:Find (a + b)4 – (a – b)

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Question 4:Hence, evaluate 4 ( 3 + 2) – 4 ( 3 – 2) .

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Question 12:Find (x + 1)6 + (x – 1)6. Hence or otherwise evaluate ( 2 + 1)6 + ( 2 – 1)6.

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Question 13:Show that 9n+1 – 8n – 9 is divisible by 64, whenever n is a positive integer.

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Question 14:Prove that å= = n r r n n r 0 3 C 4 .