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     EduGorilla 
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    If a and b are the roots of x2 + p x + 1 = 0, and c and d are the roots of x2 + qx + 1 = 0, then the value of E = (a – c)(b – c)(a + d)(b + d) is

    Options :-

    1. p2 - q2
    2. q2 - p2
    3. q2 + p2
    4. None of these
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Reply To: If a and b are the roots of x2 + p x + 1 = 0, and c and d are the roots of x2 + qx + 1 = 0, then the….
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