f(1) |
g(1) |
f(-1) |
g(-1) |
10 |
3 |
f(x) |
g(x) |
f(1) |
g(1) |
f(-1) |
g(-1) |
1 |
a |
f(1) |
g(1) |
f(-1) |
g(-1) |
10 |
3 |
1 |
a |
10 |
3 |
1 |
3 |
f(x) |
g(x) |
f′(x)g(x)-f(x)g′(x) |
g′(x) |
f′(x)g(x)-f(x)g′(x) |
g′(x) |
1 |
3 |
1 |
3 |
A.sinx+cosx | B.sinx-cosx | C.-sinx+cosx | D.-sinx-cosx |
A.1 | B.-1 | C.
| D.无法确定 |
A. | B.2 | C.-2 | D.+2 |
A.x-y-2="0" | B.x+y-2="0" | C.x+4y-5="0" | D.x-4y-5=0 |
A.2 | B.3 | C.4 | D.5 |
© 2017-2019 超级试练试题库,All Rights Reserved.