下列哪种条件组合可以推出函数[img=9x23]1803b7878492f86.png[/img]在区间[img=35x25]1803b7878cbb8e8.png[/img]上必存在零点(1) 函数[img=9x23]1803b7878492f86.png[/img]在区间[img=35x25]1803b7878cbb8e8.png[/img]上连续;(2) [img=66x25]1803b787a51a7ad.png[/img]; (3) [img=64x25]1803b787ad1d47d.png[/img]; (4) [img=64x25]1803b787b516d2d.png[/img];
A: (1)(2)(3)
B: (1)(2)(4)
C: (1)(4)
D: (2)(4)
A: (1)(2)(3)
B: (1)(2)(4)
C: (1)(4)
D: (2)(4)
举一反三
- 下列哪种条件组合可以推出函数[img=9x23]18039ef76fdab5b.png[/img]在区间[img=35x25]18039ef778a877e.png[/img]上必存在零点(1) 函数[img=9x23]18039ef76fdab5b.png[/img]在区间[img=35x25]18039ef778a877e.png[/img]上连续;(2) [img=66x25]18039ef7924773f.png[/img]; (3) [img=64x25]18039ef79b0c212.png[/img]; (4) [img=64x25]18039ef7a30bcd0.png[/img]; A: (1)(2)(3) B: (1)(2)(4) C: (1)(4) D: (2)(4)
- 下列哪种条件组合可以推出函数[img=9x23]1802d723b1a3435.png[/img]在区间[img=35x25]1802d723b9cb6b9.png[/img]上必存在零点(1) 函数[img=9x23]1802d723b1a3435.png[/img]在区间[img=35x25]1802d723b9cb6b9.png[/img]上连续;(2) [img=66x25]1802d723d1cff9d.png[/img]; (3) [img=64x25]1802d723da520f8.png[/img]; (4) [img=64x25]1802d723e2dd161.png[/img]; A: (1)(2)(3) B: (1)(2)(4) C: (1)(4) D: (2)(4)
- 下列哪种条件组合可以推出函数[img=9x23]1802d7465a18bdf.png[/img]在区间[img=35x25]1802d7466221bc9.png[/img]上必存在零点(1) 函数[img=9x23]1802d7465a18bdf.png[/img]在区间[img=35x25]1802d7466221bc9.png[/img]上连续;(2) [img=66x25]1802d7467b930fe.png[/img]; (3) [img=64x25]1802d746835fc6d.png[/img]; (4) [img=64x25]1802d7468c4b985.png[/img]; A: (1)(2)(3) B: (1)(2)(4) C: (1)(4) D: (2)(4)
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]； （ ） A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
- 求不定积分[img=112x35]17da6538063a9e4.png[/img]； （ ） A: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/ B: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4))/8 C: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4)) D: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/8