科数网
试题 ID 5307
【所属试卷】
若 $\lim \limits_ {x \rightarrow 0} \dfrac {x- \sin ax}{ \int _{0}^{x} \dfrac {t^{2}}{ \sqrt {b t^{4}}}dt}=2$, 则$\left(\quad\right)$.
A
$a = 1$,$b = 2$
B
$a = 1$,$b = 4$
C
$a = 1$,$b = 6$
D
$a = 1$,$b = 16$
E
F
答案：
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解析：
答案与解析仅限VIP可见
若 $\lim \limits_ {x \rightarrow 0} \dfrac {x- \sin ax}{ \int _{0}^{x} \dfrac {t^{2}}{ \sqrt {b t^{4}}}dt}=2$, 则$\left(\quad\right)$. <div> $a = 1$,$b = 2$ $a = 1$,$b = 4$ $a = 1$,$b = 6$ $a = 1$,$b = 16$ </div> <br /> <br /> <b>答案</b> <div> 答案与解析仅限VIP可见 </div> <br /> <br /> <b>解析</b> <div> 答案与解析仅限VIP可见 </div>