Advertisements
Advertisements
प्रश्न
Classify the numbers ` sqrt (21)` as rational or irrational:
उत्तर
` sqrt (21 ) = sqrt (3) xx sqrt (7) `is an irrational number because √3 and √7 are irrational and prime numbers.
APPEARS IN
संबंधित प्रश्न
Classify the following number as rational or irrational:
7.478478...
Explain, how irrational numbers differ from rational numbers ?
Examine, whether the following number are rational or irrational:
`(2-sqrt2)(2+sqrt2)`
Identify the following as rational or irrational number. Give the decimal representation of rational number:
`sqrt4`
Identify the following as rational or irrational number. Give the decimal representation of rational number:
`sqrt1.44`
State whether the following statement is true or false. Justify your answer.
Every point on the number line is of the form `sqrt m`, where m is a natural number.
State, whether the following numbers is rational or not : ( 2 + √2 )2
Write the following in ascending order:
`7root(3)(5), 6root(3)(4) and 5root(3)(6)`
Represent the number `sqrt(7)` on the number line.
Which of the following is not irrational?
