Find the first four terms of the binomial series for the given function.(1 + 7x2)3

A. 1 + 21x2 + 21x4 + x6
B. 1 + 21x2 + 63x4 + 189x6
C. 1 + 21x2 + 245x4 + 2401x6
D. 1 + 21x2 + 147x4 + 343x6


Answer: D

Mathematics

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A.
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C.  
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