Advertisements
Advertisements
प्रश्न
If n is a natural number, then \[\sqrt{n}\] is
विकल्प
always a natural number
always an irrational number
always an irrational number
sometimes a natural number and sometimes an irrational number
Advertisements
उत्तर
The term “natural number” refers either to a member of the set of positive integer.1,2,3.
And natural number starts from one of counting digit .Thus, if n is a natural number then sometimes n is a perfect square and sometimes it is not.
Therefore, sometimes`sqrtn` is a natural number and sometimes it is an irrational number.
APPEARS IN
संबंधित प्रश्न
Visualise 3.765 on the number line, using successive magnification.
Visualise `4.bar26` on the number line, up to 4 decimal places.
Visualise the representation of `5.3bar7` on the number line upto 5 decimal places, that is upto 5.37777.
\[0 . 3 \bar{2}\] when expressed in the form \[\frac{p}{q}\] (p, q are integers q ≠ 0), is
\[23 . \bar{{43}}\] when expressed in the form \[\frac{p}{q}\] (p, q are integers q ≠ 0), is
\[0 . \bar{{001}}\] when expressed in the form \[\frac{p}{q}\] (p, q are integers, q ≠ 0), is
The smallest rational number by which`1/3`should be multiplied so that its decimal expansion terminates after one place of decimal, is
Represent the following number on the number line:
7
Represent geometrically the following number on the number line:
`sqrt(5.6)`
Represent geometrically the following number on the number line:
`sqrt(2.3)`
