Advertisements
Advertisements
प्रश्न
Classify the following number as rational or irrational with justification:
`3sqrt(18)`
उत्तर
`3sqrt(18) = 3sqrt((3)^2 xx 2)`
= `3 xx 3sqrt(2)`
= `9sqrt(2)`
Hence, it is an irrational number.
APPEARS IN
संबंधित प्रश्न
Examine, whether the following number are rational or irrational:
`(2-sqrt2)(2+sqrt2)`
In the following equation, find which variables x, y, z etc. represent rational or irrational number:
t2 = 0.4
Prove that of the numbers `sqrt (6) ` is irrational:
Prove that (4 - 5`sqrt(2)` ) is irrational.
Which of the following is irrational?
Write four rational numbers between `sqrt(2) and sqrt(3)`
Prove that `sqrt(3) + sqrt(5)` is irrational.
Which of the following is irrational?
The product `root(3)(2) * root(4)(2) * root(12)(32)` equals to ______.
Insert a rational number and an irrational number between the following:
0 and 0.1
