Expand and simplify the given expression by use of Pascal's triangle.(3x2 - 1)3
A. 27x6 - 27x4 + 9x2 - 1
B. 27x3 - 27x2 + 9x - 1
C. 81x8 + 27x6 - 27x4 + 9x2 - 1
D. (9x4 - 6x2 + 1)3
Answer: A
Mathematics
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