Advertisements
Advertisements
प्रश्न
Find whether the variable u represents a rational or an irrational number:
`u^2 = 17/4`
उत्तर
`u^2 = 17/4`
On solving, we get
⇒ `u = +- sqrt(17)/2`
`sqrt(17)` is irrational.
Hence, u is an irrational number
APPEARS IN
संबंधित प्रश्न
Prove that 3 + 2`sqrt5` is irrational.
Examine, whether the following number are rational or irrational:
`(sqrt2+sqrt3)^2`
Identify the following as rational or irrational number. Give the decimal representation of rational number:
`3sqrt18`
Give an example of two irrationals whose product is rational.
State whether the following number is rational or irrational
`(3 + sqrt(3))^2`
Check whether the square of the following is rational or irrational:
`3sqrt(2)`
Check whether the square of the following is rational or irrational:
`3 + sqrt(2)`
Write a pair of irrational numbers whose sum is rational.
Classify the following number as rational or irrational with justification:
`sqrt(28)/sqrt(343)`
Insert a rational number and an irrational number between the following:
0 and 0.1
