3 |
2 |
A.ln2 | B.-ln2 | C.
| D.-
|
A.2xsin(1+x2) | B.-sin(1+x2) | C.-2xsin(1+x2) | D.2cos(1+x2) |
A.(x+
| B.(log2x)′=
| ||||||
C.(3x)′=3xlog3e | D.(x2cosx)′=-2xsinx |
A.(x+
| B.(log2x)′=
| ||||||
C.(3x)′=3xlog3x | D.(x2cosx)′=-2xsinx |
A.xcosx+sinx | B.xcosx | C.xcosx-sinx | D.cosx-sinx |
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