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State whether the following sentences ar...

State whether the following sentences are always true, always false or ambiguous. Justify your answer
There are 27 days in a month.

Answer

Step by step text solution for State whether the following sentences are always true, always false or ambiguous. Justify your answer There are 27 days in a month. by MATHS experts to help you in doubts & scoring excellent marks in Class 9 exams.

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Knowledge Check

  • Which of the following is not always true?

    A
    `|vec(a) + vec(b)|^(2) = |vec(a)|^(2) + |vec(b)|^(2) " if " vec(a) and vec(b)` are perpendicular to each other
    B
    `|vec(a) + lamda vec(b)| ge |vec(a)|` for all `lamda in R` if `vec(a) and vec(b)` are perpendicular to each other
    C
    `|vec(a) + vec(b)|^(2) + |vec(a) - vec(b)|^(2) = 2(|vec(a)|^(2) + |vec(b)|^(2))`
    D
    `|vec(a) + lamda vec(b)| ge |vec(a)| " for all " lamda in R` if `vec(a)` is parallel to `vec(b)`

  • Which of the following is /are always false ?

    A
    A quadratic equation with rational coefficients has zero or two irrational roots.
    B
    A quadratic equation with real coefficients has zero or two non - real roots .
    C
    A quadratic equation with irrational coefficients has zero or two rational roots .
    D
    A quadratic equation with integer coefficients has zero or two irrational roots.

    • Similar Questions

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    State whether the following sentences are always true, always false or ambiguous. Justify your answer The temperature in Hyderabad is 2^(@)C .

    State whether the following sentences are always true, always false or ambiguous. Justify your answer The earth is the only planet where life exist.

    State whether the following statements are true or false. Justify your answers. (vi) All real numbers are irrational.

    State whether the following statements are true or false : A ray has no end point.

    State whether the following statements are true or false. Justify your answers. (i) Every irrational number is a real number.

    State whether the following statements are true or false. Justify your answers. (ii) Every rational number is a real number.

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