what is difference between 3 a + 2 b and -2a -5 b
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Answered by
8
Answer:
There is no difference. They both refer to "the open interval from a to b." The "advantage" of using ]a,b[ is that it can't be mistaken for an ordered pair.
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Answered by
10
Answer:
3a+2b-(-2a-5b)
3a+2b+2a+5b
5a+7b is the correct answer ✌️✌️
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