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解析 D解:函数y=V2z+1+ln(3-4z), ∴2x+10 3-4x0, 解得, 即-1≤x<3-4, ∴函数y的定义域为[-1,3-4). 故选:D. 根据函数y=V2z+1+ln(3-4z),列出使解析式有意义的不等式组,求出解集即可. 本题考查了求函数定义域的应用问题,是基础题. ...
4dx34. Compute the integral16+12ln(4/(3+√2)) 4(a)16+12ln4(b)4v2-4+12 ln z4√2-4+12ln(4/(3+√2)) (c) 4√2+12ln((3+√2)/4)(d) 12ln(3+√2)(e)None of the above 相关知识点: 试题来源: 解析 (b) 反馈 收藏 ...
1) the cross section for elastic n- 12 C scattering shows in the energy region of 14 to 21 MeV resonances at 15.8 and 19.5 MeV. For the 15.8 MeV resonance only a slight indication is present in the inelastic scattering leading to the first excited state at 4.44 MeV. Therefore the ...
(2009•金山区二模)(1)设u.v为实数.证明:u2+v2≥请先阅读下列材料.然后根据要求回答问题.材料:已知△LMN内接于边长为1的正三角形ABC.求证:△LMN中至少有一边的长不小于12.证明:线段AN.AL.BL.BM.CM.CN的长分别设为a1.a2.b1.b2.c1.c2.设LN.LM.MN的长为x.y.z.x2=a12+a22-2a
Synthesis and Crystal Structure of a New Mixed-Valence Terbium Fluoride, KTb IIITb IV2F 12, and Related K LnIIIMIV2F 12Compounds ( MIV=Tb, Zr, Hf; LnIII=Ce-Lu)During a phase relationship study of the system KF-TbF -TbF , carried out using X-ray diffraction on samples synthesized ...
The continuing interest in these reactions is indicative of their importance in several areas. First, at...Pepper, George H.Carnegie Institution of WashingtonBrown, LouisCarnegie Institution of WashingtonArnold, Louis G.The Ohio State UniversityBirkhäuser Basel...
Cross section and vector analysing power (VAP) angular distributions for the reactions 12C([equation],6Li) 8Be(g.s.) and 16O([equation],6Li) 12C(g.s.) have been measured using a 16-MeV purely vector...Jacobs, W. W.Clegg, T. B.Ikossi, P. G.Ludwig, E. J....
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