The decimal representation of a rational number isa)either terminating...
Explanation:Rational Number: A number which can be represented in the form of p/q, where p and q are integers and q is not equal to zero is called a rational number.
Terminating Decimal: A decimal which terminates after a finite number of digits is called a terminating decimal. For example, 0.5, 0.25, 0.125, 0.0625, and so on.
Non-Terminating Decimal: A decimal which does not terminate after a finite number of digits is called a non-terminating decimal. For example, 0.3333..., 0.6666..., 0.142857142857..., and so on.
Non-Terminating Non-Repeating Decimal: A decimal which does not terminate and also does not repeat any pattern of digits after a certain point is called a non-terminating non-repeating decimal. For example, pi (π) = 3.14159265358979323846..., e = 2.71828182845904523536..., and so on.
Decimal Representation of Rational Number: When we divide a rational number by a non-zero integer, we get a decimal representation of that rational number.
Conclusions:From the given options, we can conclude that:
- Option A: Terminating decimals can be the decimal representation of a rational number. Hence, option A is incorrect.
- Option B: Sometimes rational numbers have terminating decimals, but not always. Hence, option B is incorrect.
- Option C: Rational numbers can have non-terminating decimals, but not always non-terminating. Hence, option C is incorrect.
- Option D: A rational number can have a non-terminating non-repeating decimal representation. Hence, option D is correct.