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

If f(x) is an even function then find the number of distinct real numbers x such that f(x)=f((x+1)/(x+2))

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

Find the number of distinct real solutions of the equation f(f(x))=0, where f(x)=x^(2)-1

Find the number of distinct solution of sec x+tan x=sqrt(3)

Find the cube of rational number 3.1

Are the following pairs of statements negations of each other: (i) The number x is not a rational number.The number x is not an irrational number.(ii) The number x is a rational number.The number x is an irrational number.

Between two distinct irrational numbers there lie______rational numbers.

Show that (-216)/(42875) is the cube of a rational number.Also find the rational number.

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