Advertisements
Advertisements
Question
Write a pair of irrational numbers whose sum is irrational.
Solution
`(sqrt(3) + 5) and (sqrt(5) - 3)` are irrational numbers whose sum is irrational.
Thus, we have
`(sqrt(3) + 5) + (sqrt(5) - 3)`
= `sqrt(3) + 5 + sqrt(5) - 3`
= `sqrt(3) + sqrt(5) + 2`, which is irrational.
APPEARS IN
RELATED QUESTIONS
Classify the following number as rational or irrational:
`sqrt23`
Identify the following as rational or irrational number. Give the decimal representation of rational number:
`-sqrt64`
Show that `2sqrt(7)` is irrational.
An irrational number between 2 and 2.5 is
State, whether the following number is rational or not :
`( [√7]/[6sqrt2])^2`
`(6 + 5sqrt3) - (4 - 3 sqrt3)` is ______.
Which of the following is irrational?
`sqrt(2)/3` is a rational number.
Find whether the variable u represents a rational or an irrational number:
`u^2 = 17/4`
Insert a rational number and an irrational number between the following:
2 and 3