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If la-bl and lb-2l are opposite to each other, the value of a + B is obtained Given that a and B are opposite to each other, C and D are reciprocal to each other, and the absolute value of M is 1, what is the value of a + B / IMI + CD + 2imi?
A: 1) la-bl and lb-2l are mutually opposite numbers. If the sum of the opposite numbers of a + B is 0: | A-B | + | B-2 | = 0, then A-B = 0b-2 = 0. The solution is a = b = 2. So: a + B = 42) given that a and B are mutually opposite numbers, C and D are reciprocal, the absolute value of M is 1, then the value of a + B / IMI + CD + 2imi is a + B = 0cd = 1
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