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Bookmark or Share- What is the difference between real numbers and rational ... - SocraticAlthough all rational numbers can be represented on real number line, there are numbers which are not rational numbers but can be represented on real number line too. Numbers like #sqrt2# , #sqrtx# (where #x# is a positive rational number but not the square of a rational number), #pi# etc. cannot be expressed as ratio of two integers like ...
- What is NOT a real number? - SocraticI will assume that by "real number" you mean a member of the set of things called "the Real numbers" (As opposed to meaning "what is really a number?") A real number is a number that can be expressed in decimal form. Everything else is not a real number. Colors, sounds, plants, #sqrt color(red)"red"#, and #15+xx26.78.24.36# are not real numbers.
- Is 0 a rational, irrational, natural, whole, integer or real number?The continuous line of numbers is called the real number line. It includes all the previous numbers we have mentioned, but also numbers like #sqrt(2)#, #pi# and #e#, which are not rational. Some real numbers - such as #sqrt(2)# - are the roots of polynomials with integer coefficients. These are known as algebraic numbers.
- Is -3 a rational, irrational, natural, whole, integer or real number?-3 is an integer (and thus also rational and real) natural or whole numbers (the terms are generally considered synonymous) are non-negative "counting numbers". Occasionally they are denoted by the symbol NN. There are some differences in definitions which sometimes include 0 and sometimes exclude 0 from NN. -3 is negative so it is not a natural or whole number. integers are natural numbers ...
- Can someone explain me, what is a real root? + Example - SocraticA real root is a solution to an equation which is also a real number. Given an equation in a single variable, a root is a value that can be substituted for the variable in order that the equation holds. In other words it is a "solution" of the equation. It is called a real root if it is also a real number. For example: x^2-2 = 0 has two real roots: sqrt(2) ~~ 1.414 -sqrt(2) ~~ -1.414 On the ...
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