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     EduGorilla 
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    If 2 + i is a root of the quadratic equation x2 + ax + b = 0, where a, b  R, then the values of a and b are respectively.

    Options :-

    1. 4, 7
    2. – 4, – 7
    3. – 4, 7
    4. 4, – 7
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