Subject

    Quantitative Aptitude

    Topic

    Number

    A real number is said to be algebraic if it satisfies a polynomial equation with integral coefficients. Which of the following numbers is not algebraic?

    ক)
    1/3
    খ)
    √3
    গ)
    0
    ঘ)
    π
    ঙ)
    2

    Explanation

    1/3, 0, 2 are rational numbers, they satisfy the Quadratic Equations such as x 2 – a = 0, where ‘a’ is any constant. It varies according to the equation. √3 satisfies the equation x 2 – 3 = 0 π can’t be a root of any polynomial equation. ∴ It’s not algebraic.

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