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     EduGorilla 
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    If m and n (m > n) are the roots of equation 7(x + 2a)2 + 3a2 = 5a(7x + 23a), where a > 0, then 3m – n is equal to

    Options :-

    1. 12a
    2. 14a
    3. 15a
    4. 18a
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