Multiple Choice Questions on If a and b are the roots of the equation x2 minus px q 0 find the value of 1 a 1 b ........ for NDA Exam Preparation

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Multiple Choice Questions

If a and b are the roots of the equation x2 minus px q 0 find the value of 1 a 1 b ........

Mathematics (NDA) Algebra
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    If a and b are the roots of the equation x2 − px + q = 0; find the value of 1/a + 1/b.

    p

    Incorrect Answer

    q

    Incorrect Answer

    -p/q

    Incorrect Answer

    p/q

    Correct Answer
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    Explanation:

    Given that a and b are the roots of x2 − px + q = 0: Then, a + b = p and ab = q. Thus 

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