当x趋近于0时,(三次根号下(1+ax^2))-1 等价于 (1/3)ax^2 ,同济五版高数上册P57 例1 cosx-1为等价于 (-1/2)x^2 , 同济五版高数上册P58 例2 当x趋近于0时,(三次根号下(1+ax^2))-1与cosx-1为等价无穷小 则 (1/3)ax^2 /(-1/2)x^2 = - 2/3a =...
当x趋近于0时,(三次根号下(1+ax^2))-1与cosx-1为等价无穷小则(1/3)ax^2 /(-1/2)x^2 = - 2/3a = 1a= - 3/2 解析看不懂?免费查看同类题视频解析查看解答 相似问题 当x趋近于0时,(二次根号下(1+Kx^2))与cosx-1为等价无穷小,则K=? x→0时,x+[根号下(1+x^2)]-1的等价无穷...
解析 当x趋近于0时,(三次根号下(1+ax2))-1 等价于 (1/3)ax2 ,同济五版高数上册P57 例1 cosx-1为等价于 (-1/2)x2 , 同济五版高数上册P58 例2当x趋近于0时,(三次根号下(1+ax2))-1与cosx-1为等价无穷小 则(1/3)ax2 /(-1/2)x2 = - 2/3a = 1 a= - 3/2 ...
当x趋近于0时,(三次根号下(1+ax^2))-1 等价于 (1/3)ax^2 ,同济五版高数上册P57 例1cosx-1为等价于 (-1/2)x^2 ,同济五版高数上册P58 例2当x趋近于0时,(三次根号下(1+ax^2))-1与cosx-1为等价无穷小则(1/3)ax^2 /(-1/2)x^2 = - 2/3a = 1a= - 3/2 解析看不懂?免费查看...