Advertisements
Advertisements
प्रश्न
Classify the following number as rational or irrational:
`(3 + sqrt23) - sqrt23`
Advertisements
उत्तर
`(3 + sqrt23) - sqrt23`
= `3 + sqrt23 - sqrt23`
= 3
which is a rational number.
APPEARS IN
संबंधित प्रश्न
Rationalise the denominator of each of the following
`3/sqrt5`
Express the following with rational denominator:
`30/(5sqrt3 - 3sqrt5)`
In the following determine rational numbers a and b:
`(4 + 3sqrt5)/(4 - 3sqrt5) = a + bsqrt5`
Find the value of `6/(sqrt5 - sqrt3)` it being given that `sqrt3 = 1.732` and `sqrt5 = 2.236`
Write the reciprocal of \[5 + \sqrt{2}\].
If \[a = \sqrt{2} + 1\],then find the value of \[a - \frac{1}{a}\].
Simplify \[\sqrt{3 - 2\sqrt{2}}\].
Classify the following number as rational or irrational:
2π
After rationalising the denominator of `7/(3sqrt(3) - 2sqrt(2))`, we get the denominator as ______.
Simplify the following:
`(sqrt(3) - sqrt(2))^2`
