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     EduGorilla 
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    If ax + by – 2 = 0 and axby = 1, where a  0, b  0, then (a2x + b2y) is equal to

    Options :-

    1. a + b
    2. 2ab
    3. a3 + b3
    4. a4 + b4
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Reply To: If ax + by – 2 = 0 and axby = 1, where a  0, b  0, then (a2x + b2y) is equal to….
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