Chapter 4 Determinants and Matrices Ex 4.5
Chapter 4 Determinants and Matrices Ex 4.5 Chapter 4 Determinants and Matrices Ex 4.5 Question 1.Show thati. A+B=B+Aii. (A + B) + C = A + (B + C)Solution: From…
Chapter 4 Determinants and Matrices Ex 4.5 Chapter 4 Determinants and Matrices Ex 4.5 Question 1.Show thati. A+B=B+Aii. (A + B) + C = A + (B + C)Solution: From…
Chapter 4 Determinants and Matrices Ex 4.4 Chapter 4 Determinants and Matrices Ex 4.4 Question 1.Solution: Question 2.Classify the following matrices as a row, a column, a square, a diagonal,…
Chapter 4 Determinants and Matrices Ex 4.3 Chapter 4 Determinants and Matrices Ex 4.3 Question 1.Solve the following linear equations by using Cramer’s Rule.x+y + z = 6, x –…
Chapter 4 Determinants and Matrices Ex 4.2 Chapter 4 Determinants and Matrices Ex 4.2 Question 1.Without expanding, evaluate the following determinants.Solution: Question 2. Solution: Question 3.Using properties of determinant, show…
Chapter 4 Determinants and Matrices Ex 4.1 Chapter 4 Determinants and Matrices Ex 4.1 Question 1.Find the values of the determinants. Question 2. Question 3.Solution: Comparing with x + iy,…
Chapter 3 Trigonometry – II Miscellaneous Exercise 3 Chapter 3 Trigonometry – II Miscellaneous Exercise 3 I. Select the correct option from the given alternatives. Question 1.The value of sin(n…
Chapter 3 Trigonometry – II Ex 3.5 Chapter 3 Trigonometry – II Ex 3.5 Question 1.In Δ ABC, A + B + C = π, show thatcos2A + cos2B +…
Chapter 3 Trigonometry – II Ex 3.4 Chapter 3 Trigonometry – II Ex 3.4 Question 1.Express the following as a sum or difference of two trigonometric functions.i. 2sin 4x cos…
Chapter 3 Trigonometry – II Ex 3.3 Chapter 3 Trigonometry – II Ex 3.3 Question 1.Find the values of: Question 2. Question 3. v. tan x + cot x =…
Chapter 3 Trigonometry – II Ex 3.2 Chapter 3 Trigonometry – II Ex 3.2 Question 1.Find the values of:i. sin 690°ii. sin 495°iii. cos 315°iv. cos 600°v. tan 225°vi. tan…