Home
Class 12
MATHS
Let A = {1, 2, 3}, B { 4, 5, 6} and let ...

Let A = {1, 2, 3}, B { 4, 5, 6} and let f = {(1,4),(2,5)(3,6)} be a function from A to B. Show that f is one-one.

Text Solution

Verified by Experts

f(1) = 4, f(2) = 5, f(3) =6. For distinct images.
`therefore` f is one-one
Promotional Banner

Similar Questions

Explore conceptually related problems

Let A={1,2,3} , B={4,5} Find AxxB and BxxA

Let f = {(1,1),(2,8),(3,27),(4,64),} be a function write a formula for f (x)

Let U = {1,2,3,4,5,6,7}, A = {1,5,6} and B = {1,2,6,7}Find A cap B

Let U = {1,2,3,4,5,6,7}, A = {1,5,6} and B = {1,2,6,7}.Find A' and B'

Let U = {1,2,3,4,5,6,7}, A = {1,5,6} and B = {1,2,6,7}Find A cup B

Let A = {1,2,3,4}, B = {1,5,9,11,15,16} and f = {(1,5),(2,9),(3,1),(4,5),(2,11),}. Are the following true? F is a function from A to B. Justify your answer.

If A={1,2,3,4} and B={3,4,5,6} then A-B =?

If A = {1,3,5,7} and B = {1,2,3,4,5,6,7,8}, then the number of one-to-one functions from A into B is

Let A={1,2,3,4,5,6} and B={1,3,4,6,7} Find A-(AbigcapB)

Let A={1,2,3} , B={3,4} and C={4,5,6} . Find Axx(BuuuC)