Advertisements
Advertisements
Question
Show that x is rational, if x2 = 0.0004.
Numerical
Advertisements
Solution
x2 = 0.0004
x = `(0.0004)/10000`
x = `sqrt(4/(10000))`
x = `2/100`
x = 0.02
It is a Rational.
shaalaa.com
Is there an error in this question or solution?
Chapter 1: Rational and Irrational Numbers - Exercise 1 (D) [Page 23]
APPEARS IN
RELATED QUESTIONS
Simplify:
\[\frac{7}{9} + \frac{3}{- 4}\]
If 24 trousers of equal size can be prepared in 54 metres of cloth, what length of cloth is required for each trouser?
State, true or false
`(-13)/25` is smaller than `(-25)/13`
Insert one rational number between 3.5 and 5.
Write down a rational number whose numerator is the largest number of two digits and denominator is the smallest number of four digits.
Compare: `(-7)/2` and `5/2`
Insert three rational number between:
-3 and 3
If n is a natural number then `sqrt("n")` is
0 is whole number but it is not a rational number.
Zero is a rational number.
