Chapter 3 Permutations and Combination Ex 3.2
Chapter 3 Permutations and Combination Ex 3.2 Chapter 3 Permutations and Combination Ex 3.2 Question 1.Evaluate:(i) 8!Solution: 8! = 8 × 7 × 6 × 5 × 4 × 3…
Chapter 3 Permutations and Combination Ex 3.1
Chapter 3 Permutations and Combination Ex 3.1 Chapter 3 Permutations and Combination Ex 3.1 Question 1.A teacher wants to select the class monitor in a class of 30 boys and…
Chapter 2 Sequences and Series Miscellaneous Exercise 2
Chapter 2 Sequences and Series Miscellaneous Exercise 2 Chapter 2 Sequences and Series Miscellaneous Exercise 2 (I) Select the correct answer from the given alternative: Question 1.The common ratio for…
Chapter 2 Sequences and Series Ex 2.6
Chapter 2 Sequences and Series Ex 2.6 Chapter 2 Sequences and Series Ex 2.6 Question 1.Solution: Question 2.Solution: Question 3.Solution: Question 4. Solution: Question 5.Find the sum 5 × 7…
Chapter 2 Sequences and Series Ex 2.5
Chapter 2 Sequences and Series Ex 2.5 Chapter 2 Sequences and Series Ex 2.5 Question 1.Find Sn of the following arithmetico-geometric sequences. Here, 2, 4, 6, 8, 10,… are in…
Chapter 2 Sequences and Series Ex 2.4
Chapter 2 Sequences and Series Ex 2.4 Chapter 2 Sequences and Series Ex 2.4 Question 1. ∴ The reciprocal sequence is not an A.P. ∴ The given sequence is not…
Chapter 2 Sequences and Series Ex 2.3
Chapter 2 Sequences and Series Ex 2.3 Chapter 2 Sequences and Series Ex 2.3 Question 1.Determine whether the sum to infinity of the following G.P.s exist, if exists find them.Solution:…
Chapter 2 Sequences and Series Ex 2.2
Chapter 2 Sequences and Series Ex 2.2 Chapter 2 Sequences and Series Ex 2.2 Question 1.For the following G.P.s, find .(i) 3, 6, 12, 24, ……..Solution: Solution: (iii) 0.7, 0.07,…
Chapter 2 Sequences and Series Ex 2.1
Chapter 2 Sequences and Series Ex 2.1 Chapter 2 Sequences and Series Ex 2.1 Question 1.Check whether the following sequences are G.P. If so, write tn.(i) 2, 6, 18, 54,…
Chapter 1 Complex Numbers Miscellaneous Exercise 1
Chapter 1 Complex Numbers Miscellaneous Exercise 1 Chapter 1 Complex Numbers Miscellaneous Exercise 1 (I) Select the correct answer from the given alternatives. Question 1.If n is an odd positive…