Comments by "Fhf Fhf" (@fhffhff) on "ПостНаука" channel.

  1. (x-2010)P(x+67)=xP(x), x=2010, P(2010)=0, (67m-2010)P(67m+67)=67mP(67m), (m-30)P(67(m+1))=mP(67m), P(67(m+1))=m/(m-30)*P(67m), a0(67(m+1))^n+a1(67(m+1))^(n-1)+...+an=m/(m-30)*(a0(67m)^n+a1(67m)^(n-1)+...+an), -30a0/(m-30)*(67m)^n+a0C(n;1)(67m)^(n-1)+...+a0-30a1/(m-30)*(67m)^(n-1)+a0C(n-1;1)(67m)^(n-2)+...+a1+...-30an/(m-30)=0, -30a0*2010^n-30a1n2010^(n-1)-..-30an=0, 2010^n+a1/a0*2010^(n-1)+...+an/a0=0, a0=0, n:/2=>a(2k-1)=-a0,a2k=a0, n:2=>a(2k-1)=-a0,a(2k)=a0,an=0,
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  2. (lnx+0,557)/(ln400000+0,557)=0,8, x=e^(-0,557+(ln400000+0,557)0,8)=4*⁰,⁸*10⁴*e^(0,557*(-0,2))=3+13/5/3⁴)*10⁴*e^(-0,1114)=3,03 *10⁴ 2,6|81 243 0,03
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  3. 1/((1-cos36°)/2)+1/((1-cos108°)/2)=2/(0,25+0,25√5)+2/(1+2(0,25+0,25√5)²+1)=2(√5-1)+2/(2+6/8+2/8*√5)=2√5-2+2(2,75-0,25*√5)/(2,75²-0,25²*5)=2√5-2+4,5/116*16-0,5/116*16√5=-1 11/29+1 27/29√5 121/16-5/16=116/16
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  4. (ln2500+0,557)/(ln15*10⁴+0,557)=log(15*10⁴*e⁰,⁵⁵⁷)(2500*e⁰,⁵⁵⁷)=0,67
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  5. f(xf(x)+f(y))=f²(x)+y, f(f(0))=f2(0), f(f(x)x+f(-f²(x)))=0,f(f(-f²(0)))=0, f(f(-f(f(0))))=0, a0an^n+a1an^(n-1)+...+an=an², an=0, a0an^(n-1)+a1an^(n-2)+..+(a(n-2)-1)an+a(n-1)+1=0, a(n-1)=-a0an^(n-1)-a1an^(n-2)-..-(a(n-2)-1)an-1, a0(a0(-a0an^n-a1an^(n-1)-...-an)^n+a1(-//-)^(n-1)+..+an)^n+a1(a0(-//-)^n+a1(-//-)^(n-1)...+an)^(n-1)+...+an=0,
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  6. √8√i=±(2+2i(
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  7. 2^(x+1)=64 x+1=6,x=5
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  8. tg³A=-1,tgA≠1 tgA=-1,A=-π/4+πn
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  9. 2/sin2A+1=2/sin(-π/2+2πn)+1=-1
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  10. 3+х кг 1/3(3+х)=1+х/3 х=2+2/3х х=6 9кг.
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  11. х=±2√55
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  12. х=2(107*27*107²)¹/³=642
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