Comments by "Fhf Fhf" (@fhffhff) on "Новости СВЕРХДЕРЖАВЫ"
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4^(x-3)-2^(x-3)(16-x²)-16x²≥0,(2^x)²/64- 2^x(2-x²/8)-16x²≥0,(2^x-(-2+x²/8+√(4-x²/2+x⁴/64-4/64(-16x²)))/(1/32))(2^x-(-64 +4x²-32√(4-x²/2+x⁴/64+x²)))≥0,(2^x+64 4x²-32(2+x²/8))(2^x+64-4x²+64+4x²)≥0,(2^x-8x²)(2^x+128)≥0,(2^(x/2)-2√2x)(2^(x/2)+2√2x)≥0,-0,32+*0,4-*9,..+>x 2^(x/2)*0,5ln2-2√2=0, x=2log(2)(4√2/ln2)=2log(2)(5,64/0,69)=2 *log(2)8,2=6,.. 4√2/ln2-2√2*2(2,5-log(2)ln 2)=8,2-5,64*2,5+5,640,5=8,2-14,10-2,820=-5,9-2,82=-8,72<0 16√2-18√2=-2√2<0, 2⁵-2√2*10=32-20√2>0,-2³+2√2*6=(2^(6/2)*0,5ln2-2√2)(x-6),x=(-8+12√2)/(4ln2 2√2)+6=8,8/(4*0,69-2*1,4)+6=8,8/-0,06+ 6=-140 2/3, хє[-0,32;0,4]U[9,..;+∞)
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y"-3y'+2y=e^tsint a²-3a+2=0, a=(3±√(9-4 2))/2 a=1,a=2 y=e^x y=e^(2x) y0=c1e^x+ c2e^(2x) y=(c3x+c5)e^tcost+(c4x+c6)e^t sint e^t((c3x+c5+c3+c4x+c6)cost+(c4x-c 3x+c6-c5+c4)sint)+e^t((c3+c4)cost-(c3x +c4x+c3+c5+c6)sint+(c4-c3)sint+(c4x-c3 x+c4+c6-c5)cost)-3(e^t ((c3x+c5)cost+(c 4x+c6)sint)+e^t(c3cost-(c3x+c5)sint+c4 sint+(c4x+c6)cost))+2 ((c3x+c5)e^tcost+(c4x+c6)e^tsint)=e^t sint,(-c3-c4x+2c4-c3x+3c6-c5)cost+(c3x-c4-2c3-c4x-2c5)sint=sint, -c4x-c3x-c3+2c4+3c6-c5=0,c3x-c4-c4x-2c3-2c5=1; {-c4-c3=0,-c3+2c4-c5+3c6=0,-1 c3-c4=0,-c4-2c3-2c5=1*1/2; {-c4-c3=0,-3c4-c5+3c6=0,-2c4=0,-0,5c4+c5=-0,5;{c3=0,-c5+3c6=0,c4=0,c5=-0,5; c3=0,c4=0,c5=-0,5,c6=-1/6, y=-0,5e^tcost -1/6e^tsint y=c1e^x+ c2e^(2x)-0,5e^tcost -1/6e^tsint
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