Ex 1.2 , 6 - Chapter 1 Class 12 Relation and Functions
Last updated at Dec. 8, 2016 by Teachoo
Transcript
Ex 1.2 , 6 Let A = {1, 2, 3}, B = {4, 5, 6, 7} and let f = {(1, 4), (2, 5), (3, 6)} be a function from A to B. Show that f is one-one. A = {1, 2, 3}, B = {4, 5, 6, 7}. f = {(1, 4), (2, 5), (3, 6)}. Since every element of A has a unique image. Hence , f is one-one
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