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
Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.
Examine, whether the following number are rational or irrational:
`(sqrt2+sqrt3)^2`
Classify the numbers 1.535335333 as rational or irrational:
Find the square of : `[3sqrt5]/5`
State whether the following number is rational or irrational
`(3 + sqrt(3))^2`
If `a^2=23/25,` then a is ______.
Classify the following number as rational or irrational with justification:
`3sqrt(18)`
Find three rational numbers between –1 and –2
Insert a rational number and an irrational number between the following:
0.0001 and 0.001
Prove that `(2-sqrt3)/5` is an irrational number, given that `sqrt 3` is an irrational number.
