设[img=83x26]1803d36a88e49b7.png[/img]，则不定积分[img=116x47]1803d36a91464f6.png[/img]等于( ).
A: [img=55x21]1803d36a99ef917.png[/img]
B: [img=52x24]1803d36aa24b6a9.png[/img]
C: [img=46x21]1803d36aaaa286c.png[/img]
D: [img=63x21]1803d36ab2a8327.png[/img]
A: [img=55x21]1803d36a99ef917.png[/img]
B: [img=52x24]1803d36aa24b6a9.png[/img]
C: [img=46x21]1803d36aaaa286c.png[/img]
D: [img=63x21]1803d36ab2a8327.png[/img]
举一反三
- 设闭曲线[img=13x19]1803857a5ad1e5e.png[/img]为柱面[img=87x25]1803857a635fc8d.png[/img]与平面[img=135x23]1803857a6b6b888.png[/img]的交线，从x轴正向看它为逆时针方向，则[img=356x48]1803857a75851d8.png[/img]等于 A: -24 B: 24 C: 12 D: -12 E: 36 F: -36
- 设[img=83x26]17de80c9804c135.png[/img]，则不定积分[img=116x47]17de80c98b940d5.png[/img]等于( ).(A)[img=55x21]17de80c996c1a08.png[/img] (B)[img=52x24]17de80c9a1804fd.png[/img] (C)[img=46x21]17de80c9abeb650.png[/img] (D)[img=63x21]17de80c9b684f9e.png[/img] A: A B: B C: C D: D
- 设[img=83x26]1803d36b14bb091.png[/img]，则不定积分[img=116x47]1803d36b1ce8b2a.png[/img]等于( ).(A)[img=55x21]1803d36b248cf11.png[/img] (B)[img=52x24]1803d36b2d205f0.png[/img] (C)[img=46x21]1803d36b34e8877.png[/img] (D)[img=63x21]1803d36b3cb24f1.png[/img] A: A B: B C: C D: D
- D(X)=25,D(Y)=36,[img=58x17]17e0c5b1a8ccbe4.jpg[/img],则D(X+Y)=(),D(X-Y)=()
- 以下程序的运行结果是（ ）。[img=279x149]1803ac94bb55605.jpg[/img] A: 9 B: 36 C: 37 D: 4*x*x+1