Question

find the number of relation set A={{2,3,4} to set B={x:(x-4)(x-5)=0}

Answer 1

Answer:

64

Steps by step explanation:

A={2,3,4}

B={4,5}

For example:

n{A}=p

n{B}=q

No. of relations btwn A and B = 2^pq

Then by problem

n{A}=3

n{B}=2

no. of relations of a and b=2^6=64

Plz mark this answer as brainliest

Answer 2

Answer:

64

answer

Step-by-step explanation:

it is easy

formula is 2^pq