If A is the set of even natural numbers less than 8 and B is the set of prime numbers less than 7, then the number of relations from A to B is
begin mathsize 12px style i.2 to the power of 9 space space space i i i.9 squared space space space i i i.3 squared space space space i v.2 to the power of 9 minus 1 end style

Asked by sunil2791 | 3rd Jun, 2017, 05:42: PM

Expert Answer:

begin mathsize 16px style straight A equals open curly brackets 2 comma 4 comma 6 close curly brackets
straight B equals open curly brackets 2 comma 3 comma 5 close curly brackets
Both space the space sets space have space 3 space elements.
The space number space of space relations space from space straight A space to space straight B space are space 2 to the power of 3 cross times 3 end exponent equals 2 to the power of 9. end style

Answered by Sneha shidid | 5th Jun, 2017, 11:24: AM