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  • (sqrt{3}) is an _____ number.

    none
    irrational
    decimal
    rational
  • If the product of two surds is a rational numbers, each of them is called the _____ factor of the other.

    all
    decimal
    fraction
    rationalising
  • A binomial surd can be rationalized by _____ its conjugate.

    subtracting
    multiplying 
    dividing
    adding
  • (sqrt{3}) is the rationalising factor of _____.

    2(sqrt{7})
    2(sqrt{5})
    2(sqrt{3})
    2(sqrt{1})
  • (sqrt{5}) - (sqrt{3}) is called the conjugate of _____ or vice versa.

    (sqrt{5}) - (sqrt{3})
    (sqrt{5}) + (sqrt{3})
    none
    both
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