首页/ 题库 / [单选题]不定积分∫1/(a^2+x^2)dx=_的答案

不定积分∫1/(a^2+x^2)dx=______

单选题
2021-09-02 13:57
A、arcsinx/a+C
B、1/aarctanx/a+C
C、arccotx/a+C
D、ln(1+x^2)+C
查看答案

正确答案
B

试题解析

感兴趣题目
设t=2,b=3,c=4,d=5,则下面语句输出的是( )。 Print3>2*b Or a=c And bc Or c>d
设a=2,b=3,c=4,d=5,下列表达式的值是( )。 3>2*b Or a=c And b<>c Or b<>a+c
下列程序段运行后窗体上输出结果为( )。 Private Sub Command1_Click() a=5: b=4: c=3: d=2 x=3>2*b Or a=c And b<>c Or c>d Print x End Sub
下列程序段运行后窗体上输出结果为( )。 Private Sub Command1 Click() a=5:b=4:c=3:d=2 X=3>2*b Or a=c And b<>C Or c>d Print X End Sub
设a=′′a′′,b=′′b′′,c=′′c′′,d=′′d′′,执行语句x=IIf((ad),′′A′′,′′B′′)后,x的值为(  )。
已知a=10,r=6,x=7,b=True,表达式"a>=2*14159*r And x<>5 Or Not b"的值为( )。
Project(71)is an uncertain event or condition that,if it occurs,has a positive or a negative effect on at least one project objective,such as time,cost,scope,or quality.
● Project(71)is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.(71)
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
A mark or place at which a vessel comes under obligatory entry,transit,or escort procedure is know as().
华北水利水电大学(花园校区)位于()。
相关题目

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

A cabinet or space containing the controls or valves for the fixed firefighting system must be().
A cabinet or space containing the controls or valves for the fixed firefighting system must be().
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
阅读下面的句子并选择正确的汉语翻译。 目:1 Having a healthy snack on hand, like a granola bar or fruit can help your blood sugar levels and may provide a healthy boost of energy回答 2 Instead of sending an email to your co-worker, walk to her desk or just take the stairs today, even though youre tired回答 3 Moreover, these people may be friends or strangers — people of your own age, or people who are younger or older than you回答 4 People in different countries have different ideas of what sounds friendly, polite or sincere — and of what sounds rude or unfriendly!回答 选项:
CASE OF DEATH OR SERIOUS INJURY TO A PERSON IN AN ACCIDENT OR SHIPPING DISASTER is().
设a=5,b=4,c=3,d=2,则表达式3>2*b Or a=c And b<>c Or c>d的值是
设a=5,b=4,c=3,d=2,则表达式3>2*b Or a=c And b<>c Or c>d的值是
The Urgency Signal()indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft,or of some person on board or within sight.
If he is a common carrier,he is absolutely responsible to the owner of the goods carried ()any loss or damage to them unless caused by an Act of God or the Queen’s enemies,or the inherent vice in the goods themselves,or the negligence of the owner of the goods,or a general average sacrifice.
设a=2,b=3,c=4,d=5,表达式3>2*b or a=c and b<>c or c>d的值是( )
设a=5,b=4,c=3,d=2,则表达式3>2术b Or a=c And b<>c Or c>d的值是
设a=5,b=4,c=3,d=2,下列表达式的值是 3>2*b Or a=c And b<>C Or c>d
设a=5,b=4,c=3,d=2,则表达式3>2*b Or a=c And b<>c Or c>d的值是
设a=5,b=4,c=3,d=2,下列表达式的值是( )。 3>2*b Or a=c And b<>c Or c>d
设a=5,b=4,c=3,d=2下列表达式的值是 3>2*b Or a=c And b<>C Or c>d
设a=5,b=4,c=3,d=2下列表达式的值是( )。3 > 2 * b Or a = c And b <> c Or c > d
设a=5,b=4,c=3,d=2,下列表达式的值是 3>2*b Or a=c And b<>c Or c>d
设a=2,b=3,c=4,d=5,下列表达式的值是( )。 3>2*b Or a=c And bc Or ba+c
已知x=10,表达式“x>10 And x<=100 Or 10 Mod 2=0"的值为( )。
广告位招租WX:84302438

免费的网站请分享给朋友吧