EXERCISE 12.1 1. A point is on the x-axis. What are its y coordinate and z-coordinates? Solution: – If a point is on the x-axis, then the coordinates of y and z are 0. So the point is (x, 0, 0)….

Exercise 14.1 1.Which of the following sentences are statements? Give reasons for your answer. (i) There are 35 days in a month. (ii) Mathematics is difficult. (iii) The sum of 5 and 7 is greater than 10….

Exercise 13.1 1. Evaluate the Given limit: Solution: – Given Substituting x = 3, we get = 3 + 3 = 6 2. Evaluate the Given limit: Solution: – Given limit: Substituting x = π, we get…

Exercise 15.1 Find the mean deviation about the mean for the data in Exercises 1 and 2. 1. 4, 7, 8, 9, 10, 12, 13, 17 Solution: – First we have to find (x̅) of the given…

Exercise 16.1 In each of the following Exercises 1 to 7, describe the sample space for the indicated experiment. 1. A coin is tossed three times. Solution: – Since either coin can turn up Head (H) or…