Find the number of distinct rational numbers `x` such that `o

If A={x|x is prime number and x<30}, find the number of different rational numbers whose numerator and denominator belong to Adot

Are there two distinct irrational numbers such that their difference is a rational number? Justify

Are there two distinct irrational numbers such that their difference is a rational number? Justify.

Find the number of distinct normals that can be drawn from (-2,1) to the parabola y^2-4x-2y-3=0

(a) Write any three rational numbers

Find three different irrational numbers between the rational numbers 5/7 and 9/11 .

Assume that theta is a rational multiple of pi such that cos theta is a distinct rational. The number of values of cos theta is