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: 26.04.09 07:25. : Oyq{p r uu~yy yxqp~~ xptp C5+
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- 16
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: 26.04.09 13:22. : tsvetfam , ..
tsvetfam , , . - . -, ...
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: 26.04.09 21:25. : Oyq{p r u..
Oyq{p r uu~yy xptp~y R5. Put|pspu p{u uu~yu ......... 1) E|y z = 1, p = -1. Tquty}, uru pr~u~yu y}uu |{ ty~ {u~. 20x - 35 = 2x - 1; 20x - 35 = 4^2 - 4x + 1; 4^2 - 24x + 36 = 0; x^2 - 6x + 9 = 0; x = 3. Ptpryr =3 r pr~u~yu, |pu} ru~u pru~r. Ku~ uty~ru~~z. Suu uy} ru pr~u~yu t| p = -1. P|pu} 7^x = 52, tp x = log752. Npztv} ty{y}y~p~ rs pr~u~y D = 16 - 8(b - 3) = -8b + 40. O~ pru~ ~| y b = 5 y }u~u ~| y b > 5. ...Oru: y p = -1 {u~ rs pr~u~y log752 Oyq{p ~py~pu |r ...P|pu} 7x = 52, tp x = log752. Npztv} ty{y}y~p~ rs pr~u~y D = 16 - 8(b - 3) = -8b + 40. O~ pru~ ~| y b = 5 y }u~u ~| y b > 5. Nw~: ...Suu uy} ru pr~u~yu t| p = -1. P|pu} 7^x = 51-. Ptq} ~pty} {u~ =2. (Nu~~, {tp ry| |utuu ruwtu~yu ...Npztv} ty{y}y~p~ rs pr~u~y D = 16 - 8(b - 3) = -8b + 40. O~ pru~ ~| y b = 5 y }u~u ~| y b > 5?) ...Oru: y p = -1 {u~ rs pr~u~y =2.
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: 26.04.09 21:26. : oshibka v C5, v resh..
oshibka v C5, v reshenii
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: 26.04.09 21:26. : Oyq{p r u..
Oyq{p r uu~yy xptp~y R5. Put|pspu p{u uu~yu ......... 1) E|y z = 1, p = -1. Tquty}, uru pr~u~yu y}uu |{ ty~ {u~. 20x - 35 = 2x - 1; 20x - 35 = 4^2 - 4x + 1; 4^2 - 24x + 36 = 0; x^2 - 6x + 9 = 0; x = 3. Ptpryr =3 r pr~u~yu, |pu} ru~u pru~r. Ku~ uty~ru~~z. Suu uy} ru pr~u~yu t| p = -1. P|pu} 7^x = 52, tp x = log752. Npztv} ty{y}y~p~ rs pr~u~y D = 16 - 8(b - 3) = -8b + 40. O~ pru~ ~| y b = 5 y }u~u ~| y b > 5. ...Oru: y p = -1 {u~ rs pr~u~y log752 Oyq{p ~py~pu |r ...P|pu} 7x = 52, tp x = log752. Npztv} ty{y}y~p~ rs pr~u~y D = 16 - 8(b - 3) = -8b + 40. O~ pru~ ~| y b = 5 y }u~u ~| y b > 5. Nw~: ...Suu uy} ru pr~u~yu t| p = -1. P|pu} 7^x = 51-. Ptq} ~pty} {u~ =2. (Nu~~, {tp ry| |utuu ruwtu~yu ...Npztv} ty{y}y~p~ rs pr~u~y D = 16 - 8(b - 3) = -8b + 40. O~ pru~ ~| y b = 5 y }u~u ~| y b > 5?) ...Oru: y p = -1 {u~ rs pr~u~y =2.
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: 26.04.09 21:41. : tsvetfam , ..
tsvetfam , sebedash@yandex.ru . , ...
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: 26.04.09 21:46. : Oshibka v reshenii C..
Oshibka v reshenii C5 Predlagaetsyu takoe reshenie: ......... 1) ...Teper reshim 2 yravnenie dlya p = -1. Polutaem 7^x = 52, otsyda x = log752. Nadem diskriminant 2 yravneniya D = 16 - 8(b - 3) = -8b + 40. On raven nyle pri b = 5 i menshe nylya pri b > 5. ...Otvet: pri p= -1 koren 2 yravneniya log752. Oshibka natinaetsya so slov ...Polutaem 7^x = 52, otsyda x = log752.. Nadem diskriminant 2 yravneniya D = 16 - 8(b - 3) = -8b + 40. On raven nyle pri b = 5 i menshe nylya pri b > 5. Nado: ...Teper reshim 2 yravnenie dlya p = -1. Polutaem 7^x = 51-x. Podborom nahodim koren x=2 (Neponyatno otkuda: ...Nadem diskriminant 2 yravneniya D = 16 - 8(b - 3) = -8b + 40. On raven nyle pri b = 5 i menshe nylya pri b > 5 ?) ...Otvet: pri p=-1 koren x=2
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: 26.04.09 21:55. : tsvetfam, , ..
tsvetfam, , , )) , . - p... ))) . " "... . ))
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N: 79
: 08.03.09
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: 27.04.09 14:27. : B3. ..
B3. √(64 - 3x^2) = -x. √f(x) = g(x) : g(x) ≥ 0 f(x) = g2(x) ( f(x) = g2(x) ≥ 0); 1) , -x ≥ 0, .. ≤ 0; 2) : 64 - 3x^2 = x^2; : 4x^2 = 64; x^2 = 16; x = 4. x = 4 x = -4 x = -4. : -4 , . , , , , -100? .
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: 27.04.09 22:03. : Lerner , ,..
Lerner , , ))) !!! , . , . . - , . !! , . . , , . , .
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N: 80
: 08.03.09
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1
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: 28.04.09 06:33. : - ..
- , , , )) , , . - , , - , . - ))
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: 28.04.09 11:16. : " ..
" , , " , , . !!! . . ... , . (, " ") . . .
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N: 81
: 08.03.09
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: 28.04.09 13:25. : - ..
- , )) =)
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: 28.04.09 14:15. : , ..
, .
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N: 82
: 08.03.09
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: 28.04.09 19:43. : - ..
- ) )
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: 29.04.09 00:22. : ... ..
... , .
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N: 83
: 08.03.09
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: 29.04.09 12:14. : - ..
- ...
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