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प्रश्न
Show that x is rational, if x2 = 16.
संख्यात्मक
उत्तर
x2 = 16
x = `sqrt16`
x = `sqrt(4 xx 4)`
x = 4
It is rational.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Rational and Irrational Numbers - Exercise 1 (D) [पृष्ठ २३]
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संबंधित प्रश्न
Add the following rational numbers:
\[\frac{7}{- 18} and \frac{8}{27}\]
Re-arrange suitably and find the sum in each of the following:
\[\frac{3}{5} + \frac{7}{3} + \frac{9}{5} + \frac{- 13}{15} + \frac{- 7}{3}\]
Subtract the first rational number from the second in each of the following:
\[\frac{- 7}{9}, \frac{4}{9}\]
Divide:
\[\frac{7}{- 4} \text{by} \frac{63}{64}\]
Find (x + y) ÷ (x − y), if
\[x = \frac{2}{5}, y = \frac{1}{2}\]
Find ten rational numbers between\[\frac{- 2}{5} \text{and} \frac{1}{2} .\]
Write the following rational number in `p/q` form.
15.89
For each set of rational number, given below, verify the associative property of addition of rational number:
(iv) `-1, 5/6 and (-2)/3`
State, True Or False
`7/9=(7xx5)/(9xx5)`
Every integer is a rational number.
