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प्रश्न
Classify the following number as rational or irrational:
`(2sqrt7)/(7sqrt7)`
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उत्तर
`(2sqrt7)/(7sqrt7)` = `2/7`
= 0.285714285714....
Which is a rational number.
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संबंधित प्रश्न
Simplify of the following:
`root(4)1250/root(4)2`
Simplify the following expressions:
`(5 + sqrt7)(5 - sqrt7)`
Simplify the following expressions:
`(sqrt3 + sqrt7)^2`
Rationales the denominator and simplify:
`(3 - sqrt2)/(3 + sqrt2)`
Rationales the denominator and simplify:
`(2sqrt3 - sqrt5)/(2sqrt2 + 3sqrt3)`
Simplify `(7 + 3sqrt5)/(3 + sqrt5) - (7 - 3sqrt5)/(3 - sqrt5)`
if `x = 2 + sqrt3`,find the value of `x^2 + 1/x^2`
Write the reciprocal of \[5 + \sqrt{2}\].
Rationalise the denominator in the following and hence evaluate by taking `sqrt(2) = 1.414, sqrt(3) = 1.732` and `sqrt(5) = 2.236`, upto three places of decimal.
`sqrt(2)/(2 + sqrt(2)`
Simplify:
`64^(-1/3)[64^(1/3) - 64^(2/3)]`
