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Given that a and B are opposite to each other, C and D are reciprocal to each other, find | m | = 3, find m + CD - (the square of a + B / M) A + B of M + cd-m
a. If B is opposite to each other, then a + B = 0, C and D are reciprocal to each other, then CD = 1 | m | = 3, M = plus or minus 3, when m = 3, M + CD - (the square of a + B / M) = 4, when m = - 3, M + CD - (the square of a + B / M) = 2
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