高中数学：构造函数方法

1.1)()()()0(0)()(xgxfxFxgxf2)(-)()()0(0)(-)(xgxfxFxgxf3kxxfxFkxf)()()(k)(2.1)()()()0(0)()()(g)(xgxfxFxgxfxxf2)0)(()(g)()()0(0)()(-)(g)(xgxxfxFxgxfxxf3)()()0(0)()(xxxfxFxfxf4)0(x)()()0(0)(-)(xxxfxFxfxf5)()()0(0)(n)(xxfxxFxfxfn;(6))0(x)()()0(0)(n-)(xnxxfxFxfxf;(7))(e)()0(0)()(xfxFxfxfx;(8))0(e)()()0(0)(-)(xxxfxFxfxf;(9))(e)()0(0)(k)(xfxFxfxfkx;(10))0(e)()()0(0)(k-)(kxxxfxFxfxf;(11))(sin)()0(0tanx)()(xxfxFxfxf;(12))0(sinsinx)()()0(0tan)(-)(xxfxFxxfxf;(13))0(coscos)()()0(0)(tanx)(xxxfxFxfxf;(14))(cos)()0(0)(tanx-)(xfxFxfxf;(15)()+lna()0(0)()()xfxfxFxafx;(16)()()lna()0(0)()xfxfxfxFxa;11()(4)fxfx2x()fx()2()xfxfx24aA.2(2)(3)(log)afffaB.2(3)(log)(2)affafC.2(log)(3)(2)afaffD.2(log)(2)(3)afaffx=2,)(f2x)(f2x0)()2xxxxfC,1624,2log12aa2a0b0()Aa2222bababBa2222bababCa2222bababDa2222bababA22xfxx2ln220xfx22xfxxx0abA3()fx(2)1f()fx()1fxx21()12fxxx2x,0)2(g)(g01)()(,121)()(g2xxxfxgxxxfx4fx1,00,fxfxffxfx1xxefxe0x,0)0(g(g,0)1)()(()(,1)()(gxxfxfexgexfexxxx5)(xf1)(')(xfxf4)0(f3()1xfxe0)(3)(13)(f)(gxxxxxexheexfeexx)1)()(()(hxfxfexx0,g(x)g(0)=f(0)-4=0,g(x)0,x0.6f(x)2()()fxfx2)4ln(f2()xfxeg(x)=2)(fxex,222)()21)()(()(gxxexfxfex0,1)4(ln)4(lng24lnefg(x)g(ln4),2()xfxexln4.2.1f(x(1)0f0x'()()0xfxfx()0fx,0x)(g)(f)(0)()()(,0x,)()x(g2xxxgxxfxfxxgxxfg(1)=g(-1)=0,x-10x1.2f(x)f(0)=1,)()(4,3)()(f3xfxfxfx0)0(f1)(f3xex32ln042)()(f412)(f33xexfxexxx3.1n3211)11(lnnnnx=n1f(x)=)1ln(x23xx(0x1)112x3)(f2xxx=1x12323xxx=1x)1(323xx0f(x)f(x)f(0)=02f(x)=xe,ab,aafbfbfafb)()(2)()(abafbfbfa)()(2)()(f=aabeeababa)-b2)2(2)(g(x)=x+2+(x-2)xe,g0=0,xexx)1(1)(g0,0(0)g(x)gg(x)0g(x)g(0)=0,abafbfbfaf)()(2)()(3f(x)=-x-ln(-x)x[-e0)xxx)ln()(f21xxxfxg)ln()()(=xxxx)ln()ln(u=-x(0,e]g(u)=uuuln-lnug(u)21g'(u)=222uln1-1ln11uuuuuuuuuuuhuuuu12u112)(,1-ln)(h22,),2,1(u0)()(0)(huhuhu1u(0,1]lnu-101-u10g'(u)0g(u)g(u)g(1)=1212u(1,2)lnuu-1g(u)=u-lnu-uulnu-(u-1)-u1-u=u1213u[2,e)ln(u)-101-u10g'(u)0g(u)g(u)g(2)=eln2322ln23-2=214.1f(x)(1x)e2xg(x)ax32x12xcosxx[0,1](1)1xf(x)11x(2)f(x)g(x)a(1)x[0,1](1x)e2x1x(1x)ex(1x)ex.h(x)(1x)ex(1x)exh(x)x(exex)x(0,1)h(x)0h(x)[0,1]h(x)h(0)0.f(x)1xx[0,1]x[0,1](1x)e2x11xexx1.K(x)exx1K(x)ex1x(0,1)K(x)0K(x)[0,1]K(x)K(0)0.f(x)11xx[0,1]1xf(x)11xx[0,1](2)f(x)g(x)(1x)e2x312cos2xaxxx1xax132x2xcosxx(a122x2cosx)G(x)22x2cosxG(x)x2sinx.H(x)x2sinxH(x)12cosxx(0,1)H(x)0G(x)[0,1]x(0,1)G(x)G(0)0G(x)[0,1]G(x)G(0)2a1G(x)a3.a3f(x)g(x)[0,1]a3f(x)g(x)[0,1]f(x)g(x)3112cos12xaxxxx32cos12xxaxxxx212cos12xxaxxI(x)2112cos()121xaxaGxxxI(x)21'()(1)Gxxx(0,1)I(x)0I(x)[0,1]I(x)[0,1][a12cos1a3]a3a30x0(0,1)I(x0)0f(x0)g(x0)f(x)g(x)[0,1]a(3]