Chapter 4 Pair of Straight Lines Ex 4.1
Chapter 4 Pair of Straight Lines Ex 4.1 Chapter 4 Pair of Straight Lines Ex 4.1 Question 1.Find the combined equation of the following pairs of lines:(i) 2x + y…
Chapter 4 Pair of Straight Lines Ex 4.1 Chapter 4 Pair of Straight Lines Ex 4.1 Question 1.Find the combined equation of the following pairs of lines:(i) 2x + y…
Chapter 3 Trigonometric Functions Miscellaneous Exercise 3 Chapter 3 Trigonometric Functions Miscellaneous Exercise 3 I) Select the correct option from the given alternatives.Question 1.The principal of solutions equation sinθ = −1/2 are…
Chapter 3 Trigonometric Functions Ex 3.3 Chapter 3 Trigonometric Functions Ex 3.3 Question 1.Find the principal values of the following : Question 2.Evaluate the following :Solution: Solution: (iii) tan-1√3 – sec-1(-2)Solution:…
Chapter 3 Trigonometric Functions Ex 3.2 Chapter 3 Trigonometric Functions Ex 3.2 Question 1.Find the Cartesian co-ordinates of the point whose polar co-ordinates are : Let the cartesian coordinates be…
Chapter 3 Trigonometric Functions Ex 3.1 Chapter 3 Trigonometric Functions Ex 3.1 Question 1.Find the principal solutions of the following equations : We know that, Hence, the required principal solution…
Chapter 2 Matrices Miscellaneous Exercise 2B Chapter 2 Matrices Miscellaneous Exercise 2B I) Choose the correct answer from the given alterna-tives in each of the following questions :Question 1. (a)…
Chapter 2 Matrices Miscellaneous Exercise 2A Chapter 2 Matrices Miscellaneous Exercise 2A Question 1. Question 2. By R1 – R2, we get, By R1 – R3 and By R2 – R3, we get Question…
Chapter 2 Matrices Ex 2.3 Chapter 2 Matrices Ex 2.3 Question 1.Solve the following equations by inversion method.(i) x + 2y = 2, 2x + 3y = 3Solution: The given…
Chapter 2 Matrices Ex 2.2 Chapter 2 Matrices Ex 2.2 Question 1.Find the co-factors of the elements of the following matrices Here, a11 = -11, M11 = 4 ∴ A11 = (-1)1+1(4) =…
Chapter 2 Matrices Ex 2.1 Chapter 2 Matrices Ex 2.1 Question 1.Apply the given elementary transformation on each of the following matrices. Question 3. Question 4. Question 5. Question 6.…