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     EduGorilla 
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    If a, b, c, d and p are distinct real numbers such that (a2 + b2 + c2)p2 – 2 (ab + bc + cd)p + (b2 + c2 + d2) = 0, then a, b, c, d 

    Options :-

    1. are in AP
    2. are in GP
    3. are in HP
    4. satisfy ab = cd
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Reply To: If a, b, c, d and p are distinct real numbers such that (a2 + b2 + c2)p2 – 2 (ab + bc + cd)p + (b2 +….
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