Advertisements
Advertisements
प्रश्न
Classify the following number as rational or irrational:
2π
उत्तर
2π
2 is a rational number and π is an irrational number.
∵ 2π = 2 × π = Product of a rational and an irrational number is an irrational number.
∴ 2π is an irrational number.
APPEARS IN
संबंधित प्रश्न
Express the following with rational denominator:
`1/(3 + sqrt2)`
Express of the following with rational denominator:
`1/(sqrt6 - sqrt5)`
Express the following with rational denominator:
`(6 - 4sqrt2)/(6 + 4sqrt2)`
Express each one of the following with rational denominator:
`(b^2)/(sqrt(a^2 + b^2) + a)`
Rationales the denominator and simplify:
`(3 - sqrt2)/(3 + sqrt2)`
In the following determine rational numbers a and b:
`(3 + sqrt2)/(3 - sqrt2) = a + bsqrt2`
If\[\frac{\sqrt{3} - 1}{\sqrt{3} + 1} = x + y\sqrt{3},\] find the values of x and y.
Simplify the following expression:
`(sqrt5-sqrt2)(sqrt5+sqrt2)`
Find the value of a and b in the following:
`(5 + 2sqrt(3))/(7 + 4sqrt(3)) = a - 6sqrt(3)`
If `a = (3 + sqrt(5))/2`, then find the value of `a^2 + 1/a^2`.
