设fˊ(lnx)=1+x,则f(x)=[ ].
设fˊ(lnx)=1+x,则f(x)=[ ].
<img src='https://img2.soutiyun.com/ask/uploadfile/9084001-9087000/b3fda2ebaf9d2e3b4ab49bb9a0a45f2d.jpg' />
时间:2023-01-14 14:22:36
相似题目
-
设4/(1-x2)·f(x)=d/dx[f(x)]2,且f(0)=0,则f(x)等于:()
A . (1+x)/(1-x)+c
B . (1-x)/(1+x)+c
C . 1n|(1+x)/(1-x)|+c
D . 1n|(1-x)/(1+x)|+c
-
设f(x)=lnx,且函数ϕ(x)的反函数https://assets.asklib.com/source/1473388475522093061.png,则f[ϕ(x)]=()。
A .https://assets.asklib.com/psource/1473388487395069362.png
B .https://assets.asklib.com/psource/1473388509248004407.png
C .https://assets.asklib.com/psource/1473388515419023521.png
D .https://assets.asklib.com/psource/1473388521828060961.png
-
设f'(lnx)=1+x,则f(x)等于()。
A . ['['https://assets.asklib.com/psource/2015102916402082055.jpg
B .https://assets.asklib.com/psource/2015102916403647994.jpg
C . x+ex+CD .https://assets.asklib.com/psource/2015102916405053542.jpg
-
如果f(x)=e-x,则[f′(lnx)/x]dx等于:()
A . -(1/x)+c
B . 1/x+c
C . -lnx+c
D . 1nx+c
-
设f(x)的二阶导数存在,且f′(x)=f(1-x),则下列式中何式可成立()?
A . f″(x)+f′(x)=0
B . f″(x)-f′(x)=0
C . f″(x)+f(x)=0
D . f″(x)-f(x)=0
-
如果
https://assets.asklib.com/psource/2015102710472568495.jpg
[f′(lnx)/x]dx=x
2
+c,则f(x)等于()
A . 1/x
+c
B . e
+c
C . e
+c
D . xe
+c
-
设f′(lnx)=1+x,则f(x)等于:()https://assets.asklib.com/psource/2016071617265384827.jpg
A . A
B . B
C . C
D . D
-
设f(x)=x(x-1)(x-2)……(x-99)(x-100),则f'(0)等于
-
设f(1-cos x)=sin2x, 则f(x)=
-
函数f(x)=lnx-ln(x-1)的定义域是
-
设f(x)=x(x+1)(x+2)…(x+n)(n≥2),则f&39;(0)=?
设f(x)=x(x+1)(x+2)…(x+n)(n≥2),则f&39;(0)=?
-
设函数f(x)在(0,+∞)内连续,f(1)=5/2,且对任何正数x和t,满足条件则f(x)=().
设函数f(x)在(0,+∞)内连续,f(1)=5/2,且对任何正数x和t,满足条件
<img src='https://img2.soutiyun.com/ask/2020-12-13/976721902069037.png' />
则f(x)=().
-
设f(x)=x<sup>2</sup>+lnx,求使得f"(x)>0的x的取值范围。
-
设y=f(x)的定义域为[0.1],求f(lnx+1)的定义域.
-
设函数f(x)具有一阶连续倒数.且f(0)=0,fˊ(0)=2,求lim(x→0)f(1-cosx)/tanx²;
是一阶连续导数(上面打错)
-
设f(x),g(x)的定义域为R,且它们在x。可导,证明: 在点x。可导的充要条件是f(x。)=g(x。),fˊ(x。)=gˊ(x
设f(x),g(x)的定义域为R,且它们在x。可导,证明:
<img src='https://img2.soutiyun.com/ask/uploadfile/9072001-9075000/2b1bdaa6726317791d90263c12b1d2f6.jpg' />在点x。可导的充要条件是f(x。)=g(x。),fˊ(x。)=gˊ(x。)
-
已知yˊ=2x,f且x=1时y=2,则y=[ ].
A.x2
B.x2+C
C.x2+1
D.x2+2
-
设函数f(x)=lnx在区间[1,e]上满足格朗日公式 的c=____.
设函数f(x)=lnx在区间[1,e]上满足格朗日公式<img src='https://img2.soutiyun.com/ask/2019-07-10/931617553804555.png' />的c=____.
-
设f(x)=cos(x-1),φ(x)=x+1,则f[φ(x)]=(B)()。
A、cos(x+1)
B、cosx
C、cos(x+2)
D、cos(x-2)
-
设f'(Inx)=1+x,则f(x)=().
A.<img src='https://img2.soutiyun.com/ask/2020-12-06/976111006962229.png' />
B.<img src='https://img2.soutiyun.com/ask/2020-12-06/976111015211701.png' />
C.<img src='https://img2.soutiyun.com/ask/2020-12-06/976111025904313.png' />
D.<img src='https://img2.soutiyun.com/ask/2020-12-06/976111035919886.png' />
-
设f(x)=e<sup>x</sup>且x>0,则f(-lnx)=()
A.-x
B.1/x
C.e<sup>x</sup>
D.e<sup>-x</sup>
E.e
-
设函数f(x)=sin(x+1),则f(1)=()。
A.0
B.1
C.sin1
D.sin2
-
设函数f(x)={x+1,当0≤x<1},{x-1,当1≤x≤2}则,F(x)=∫f(t)dt,{积分区间是a-x},则x=1是函数F(x)的()
A.跳跃间断点
B.可去间断点
C.连续但不可导点
D.可导点
-
设f(x)为连续函数,又,证明: (1)若f(x)为奇函数,则F(x)为偶函数.(2) 若f(x)为偶函数,则F(x)为
设f(x)为连续函数,又<img src='https://img2.soutiyun.com/ask/2020-12-20/977330361227981.png' />,
证明: (1)若f(x)为奇函数,则F(x)为偶函数.
(2) 若f(x)为偶函数,则F(x)为奇函数.