A1. Determine all 3 digit numbers N which are divisible by 11 and where N/11 is equal to the sum of the squares of the digits of N. A2. For what real values of x does the following inequality hold: 4x2/(1 - √(1 + 2x))2 < 2x + 9 ? A3. In a given right triangle ABC, the hypoteneuse BC, length a, is divided into n equal parts with n an odd integer. The
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