Use De Morgan's laws to write the negation of the statement.6 + 3 = 9 and 9 - 3 ? 6
A. 6 + 3 = 9 or 9 - 3 ? 6
B. 6 + 3 ? 9 or 9 - 3 = 6
C. 6 + 3 = 9 and 9 - 3 = 6
D. 6 + 3 ? 9 and 9 - 3 = 6
Answer: B
Mathematics
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