Question

give an example to satisfy the following statement..

(iii) all integers are rational numbers but all rational numbers need not be integers ​

Answer 1

Thus, every integer is a rational number. Clearly, 3/2,-5/3, etc. are rational numbers but they are not integers. Hence, every integer is a rational number but a rational number need not be an integer.

Answer 2

Answer:

angle of incidence is angle made my incidence ray with normal