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4 April, 07:34

A-b=12 ab=14 find a2 + b2

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  1. 4 April, 07:45
    0
    172

    Step-by-step explanation:

    (a - b) ² = a² - 2ab + b², hence

    a² + b² = (a - b) ² + 2ab = 12² + (2 * 14) = 144 + 28 = 172
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