Advertisements
Advertisements
प्रश्न
Show that x is rational, if x2 = 16.
संख्यात्मक
Advertisements
उत्तर
x2 = 16
x = `sqrt16`
x = `sqrt(4 xx 4)`
x = 4
It is rational.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Rational and Irrational Numbers - Exercise 1 (D) [पृष्ठ २३]
APPEARS IN
संबंधित प्रश्न
Add the following rational numbers:
\[- 3 and \frac{3}{5}\]
Express each of the following as a rational number of the form \[\frac{p}{q}:\]
\[\frac{- 7}{4} + \frac{5}{3} + \frac{- 1}{2} + \frac{- 5}{6} + 2\]
Simplify:
\[\left( \frac{8}{5} \times \frac{- 3}{2} \right) + \left( \frac{- 3}{10} \times \frac{11}{16} \right)\]
Find (x + y) ÷ (x − y), if
\[x = \frac{2}{3}, y = \frac{3}{2}\]
Are the following statement true or false ? Give reason for your answer.
- Every whole number is a natural number.
- Every whole number is a rational number.
- Every integer is a rational number.
- Every rational number is a whole number.
A number of the form `p/q` is said to be a rational number if ______.
The rational number 10.11 in the from `p/q` is ______.
Every whole number is an integer.
Every natural number is a rational number but every rational number need not be a natural number.
Every rational number is a whole number.
