Question

Question 7 Let A = {1, 2}, B = {1, 2, 3, 4}, C = {5, 6} and D = {5, 6, 7, 8}. Verify that

(i) A × (B∩C) = (A × B)∩(A × C)

(ii) A × C is a subset of B × D

Class XI - Relations and Functions Page 33

Answer 1

Question 2 Find the domain and range of the following real function:

(i) f(x) = –|x|

(ii) f(x) = (9 - x^2)^(1/2)

Class XI - Relations and Functions Page 44

Answer 2

refer to the attachment