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  • The following is what seems to be a mathematical proof that two equals one.What's wrong with it?

    The following is what seems to be a mathematical proof that two equals one.What's wrong with it?
    a = b aa = ab aa -bb = ab - bb (a + b)(a - b) = b(a - b) a + b = b a + a = a 2a = a 2 = 1
    英語人氣:145 ℃時間:2020-03-22 03:52:56
    優(yōu)質(zhì)解答
    a = baa = ab(here, you must prove a isn't equal to 0,so the rest of them don't make sense any more)aa -bb = ab - bb(a + b)(a - b) = b(a - b)...
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