1.(a) Expand (8 - 3x)^1/3 in ascending powers of x up to and including the term in x^3.
(b) State the range of values of x for which the expansion in (a) is valid.
(c) Use the expansion in (a) to find 開方3√7 correct to 3 decimal places.
收錄日期: 2021-04-11 16:46:38
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