作业帮化简（a-b)/[a^¹/³-b^¹/³]-(a+b）/[a^¹/³+b^¹/³]已知a^（²x）=2√2+3,a﹥0,求【a^(6X)】+【a^(-6X）】/a^X-a^-x已知a²+a^-²=2√2,且a﹥1,则a²-a-²的值为
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化简（a-b)/[a^¹/³-b^¹/³]-(a+b）/[a^¹/³+b^¹/³]已知a^（²x）=2√2+3,a﹥0,求【a^(6X)】+【a^(-6X）】/a^X-a^-x已知a²+a^-²=2√2,且a﹥1,则a²-a-²的值为
化简（a-b)/[a^¹/³-b^¹/³]-(a+b）/[a^¹/³+b^¹/³]
已知a^（²x）=2√2+3,a﹥0,求【a^(6X)】+【a^(-6X）】/a^X-a^-x
已知a²+a^-²=2√2,且a﹥1,则a²-a-²的值为
化简（a-b)/[a^¹/³-b^¹/³]-(a+b）/[a^¹/³+b^¹/³]已知a^（²x）=2√2+3,a﹥0,求【a^(6X)】+【a^(-6X）】/a^X-a^-x已知a²+a^-²=2√2,且a﹥1,则a²-a-²的值为