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Numbers to remember (Square and square root of a real number )

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Knowledge Check

  • The square root of the number 5 + 12 i is

    A
    `(3 +2i)`
    B
    `(3 - 2i)`
    C
    `pm (3 +2i)`
    D
    none
  • Assertion(A): sqrt(a) is an irrational number, when a is a prime number. Reason (R):Square root of any prime number is an irrational number.

    A
    Both A and R are true and R is the correct explanation for A .
    B
    Both A and Rare true and R is not correct explanation for A.
    C
    A is true but R is false.
    D
    A is false but R is true.
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