Topic thá» LaTeX -

arsenal1000 · 31-07-2012, 09:29 AM

$\boxed{BÃ i 1}$
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$\fbox{BÃ i 1} $
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$\boxed{2012} $
------------------------------
$\fbox{2012} $

frz.mnd · 02-08-2012, 08:23 PM

$/sqrt{a}$
------------------------------
$ sqrt{2} $
------------------------------
<TEX>\sqrt{a}</TEX>
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ÄK: $0\leq x\leq1 $
------------------------------
ÄK: $0\leq x\leq1 $
------------------------------
ÄK $ 0\leq x\leq1 $
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$ f(x) thuá»™c [/sqrt{2};2] $
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$ f(x) [/sqrt{2};2] $
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$ f(x) \epsilon [\sqrt{2};2] $

hoamai141 · 08-08-2012, 10:03 PM

$x\sqrt{1-y^2}+y\sqrt{1-x^2}\le\sqrt{(x^2+1-x^2)(y^2+1-y^2)} $
(báº¥t Ä‘áº³ng thá»©c bunhia)

nhhieuhqtd · 12-08-2012, 09:28 PM

$A \rightarrow b$

:

$A \rightarrow b$

1703025 · 17-08-2012, 09:40 PM

$(x^3+3x-10)=\sqrt{x+1}-\frac{3}{5x} $

nbkschool · 08-09-2012, 03:36 PM

$ X $ ~ $ B(5 ; 0,5) $
$P(X=5) = \binom {5} {5} \frac{1}{2^5} \frac{1}{2^5} = 9,765.10^{-4} $

nbkschool · 12-09-2012, 05:43 AM

$\frac{1169}{8000} = 0,1461 $

violet_rc · 17-09-2012, 08:35 PM

$\left 2\overrightarrow{IA}+\overrightarrow{IB} \right = \left \overrightarrow{0} \right $
------------------------------
$\left 2\overrightarrow{IA}+\overrightarrow{IB} \right = 0 $

nguoi_vn1 · 24-10-2012, 12:42 PM

$$f(x) $$f^2(x)

quangtruong97 · 25-10-2012, 08:14 PM

$\frac a{b+c}+\frac b{c+a}+\frac c{a+b}=\frac{a^2}{a(b+c)}+\frac{b^2}{b(c+a)}+\frac {c^2}{c(a+b} $

quangtruong97 · 25-10-2012, 09:53 PM

$\frac a{b+c}+\frac b{c+a}+\frac c{a+b}=\frac{a^2}{a(b+c)}+\frac{b^2}{b(c+a)}+\frac {c^2}{c(a+b)} $
$\geq \frac{(a+b+c)^2}{2(ab+bc+ca)}\geq \frac{3(ab+bc+ca)}{2(ab+bc+ca)}\geq \frac{3}{2} $

quangtruong97 · 27-10-2012, 12:23 PM

$\frac a{b+c}+\frac b{c+a}+\frac c{a+b}=\frac {a^2}{b+c}+\frac {b^2}{c+a}+\frac{c^2}{a+b} $

quangtruong97 · 29-10-2012, 11:59 PM

$ x+y+z=0 $ mÃ $ 2^{x+y+z}=64 $

nguoi_vn1 · 25-11-2012, 09:07 PM

Thay $x=-\frac{a}{b},y=\frac{u}{v}$ ........ $f$
${x}^{2}, {y}^{3}$
------------------------------
$\sum \frac{a^{2}}{1+bc} \geq \frac{3}{2} $
$f(x+y)=f(x)+f(y) ,f(xy)=f(x)f(y)$
------------------------------
\sum \frac{a^{2}}{1+bc} \geq \frac{3}{2}
------------------------------
$\lim_{n^{2}}$

leanhao2 · 30-11-2012, 03:16 AM

[tex]\vecto{a}[\tex]

31-07-2012, 09:29 AM	#61
arsenal1000 +ThÃ nh ViÃªn+ : May 2012 : 33 : 65	$\boxed{BÃ i 1}$ ------------------------------ $\fbox{BÃ i 1} $ ------------------------------ $\boxed{2012} $ ------------------------------ $\fbox{2012} $ : Tá»± Ä‘á»™ng gá»™p bÃ i

02-08-2012, 08:23 PM	#62
frz.mnd +ThÃ nh ViÃªn+ : Jul 2012 : 2 : 0	$/sqrt{a}$ ------------------------------ $ sqrt{2} $ ------------------------------ <TEX>\sqrt{a}</TEX> ------------------------------ ÄK: $0\leq x\leq1 $ ------------------------------ ÄK: $0\leq x\leq1 $ ------------------------------ ÄK $ 0\leq x\leq1 $ ------------------------------ $ f(x) thuá»™c [/sqrt{2};2] $ ------------------------------ $ f(x) [/sqrt{2};2] $ ------------------------------ $ f(x) \epsilon [\sqrt{2};2] $ : Tá»± Ä‘á»™ng gá»™p bÃ i

12-08-2012, 09:28 PM	#64
nhhieuhqtd +ThÃ nh ViÃªn+ : May 2012 : 1 : 0	$A \rightarrow b$ : $A \rightarrow b$ : hd latex

17-08-2012, 09:40 PM	#65
1703025 +ThÃ nh ViÃªn+ : Feb 2012 : 94 : 85	$(x^3+3x-10)=\sqrt{x+1}-\frac{3}{5x} $ __________________ Youâ€™re my star, the biggest star in the world Shining a light on my darkened heart Youâ€™re my star, the biggest star in the world Melting me, who was once frozen

08-09-2012, 03:36 PM	#66
nbkschool +ThÃ nh ViÃªn+ : Dec 2007 : SMU Residence @Prinsep Hostel, 83 Prinsep Street, Singapore : 400 : 72	$ X $ ~ $ B(5 ; 0,5) $ $P(X=5) = \binom {5} {5} \frac{1}{2^5} \frac{1}{2^5} = 9,765.10^{-4} $ __________________ "Apres moi,le deluge"

08-08-2012, 10:03 PM	#63
hoamai141 +ThÃ nh ViÃªn+ : May 2011 : 3 : 2	$x\sqrt{1-y^2}+y\sqrt{1-x^2}\le\sqrt{(x^2+1-x^2)(y^2+1-y^2)} $ (báº¥t Ä‘áº³ng thá»©c bunhia)

12-09-2012, 05:43 AM	#67
nbkschool +ThÃ nh ViÃªn+ : Dec 2007 : SMU Residence @Prinsep Hostel, 83 Prinsep Street, Singapore : 400 : 72	$\frac{1169}{8000} = 0,1461 $ __________________ "Apres moi,le deluge"

17-09-2012, 08:35 PM	#68
violet_rc +ThÃ nh ViÃªn+ : Apr 2012 : 6 : 3	$\left 2\overrightarrow{IA}+\overrightarrow{IB} \right = \left \overrightarrow{0} \right $ ------------------------------ $\left 2\overrightarrow{IA}+\overrightarrow{IB} \right = 0 $ : Tá»± Ä‘á»™ng gá»™p bÃ i

24-10-2012, 12:42 PM	#69
nguoi_vn1 +ThÃ nh ViÃªn+ : Nov 2010 : 127 : 87	$$f(x) $$f^2(x)

25-10-2012, 08:14 PM	#70
quangtruong97 +ThÃ nh ViÃªn+ : Sep 2012 : 10 : 7	$\frac a{b+c}+\frac b{c+a}+\frac c{a+b}=\frac{a^2}{a(b+c)}+\frac{b^2}{b(c+a)}+\frac {c^2}{c(a+b} $ : Tá»± Ä‘á»™ng gá»™p bÃ i

25-10-2012, 09:53 PM	#71
quangtruong97 +ThÃ nh ViÃªn+ : Sep 2012 : 10 : 7	$\frac a{b+c}+\frac b{c+a}+\frac c{a+b}=\frac{a^2}{a(b+c)}+\frac{b^2}{b(c+a)}+\frac {c^2}{c(a+b)} $ $\geq \frac{(a+b+c)^2}{2(ab+bc+ca)}\geq \frac{3(ab+bc+ca)}{2(ab+bc+ca)}\geq \frac{3}{2} $

27-10-2012, 12:23 PM	#72
quangtruong97 +ThÃ nh ViÃªn+ : Sep 2012 : 10 : 7	$\frac a{b+c}+\frac b{c+a}+\frac c{a+b}=\frac {a^2}{b+c}+\frac {b^2}{c+a}+\frac{c^2}{a+b} $

29-10-2012, 11:59 PM	#73
quangtruong97 +ThÃ nh ViÃªn+ : Sep 2012 : 10 : 7	$ x+y+z=0 $ mÃ $ 2^{x+y+z}=64 $

25-11-2012, 09:07 PM	#74
nguoi_vn1 +ThÃ nh ViÃªn+ : Nov 2010 : 127 : 87	Thay $x=-\frac{a}{b},y=\frac{u}{v}$ ........ $f$ ${x}^{2}, {y}^{3}$ ------------------------------ $\sum \frac{a^{2}}{1+bc} \geq \frac{3}{2} $ $f(x+y)=f(x)+f(y) ,f(xy)=f(x)f(y)$ ------------------------------ \sum \frac{a^{2}}{1+bc} \geq \frac{3}{2} ------------------------------ $\lim_{n^{2}}$ __________________ LÃª Minh PhÃºc-12A1 THPT Äáº¡ Hoai VMO 2014- Äá»£i mÃ¬nh nhÃ© : Tá»± Ä‘á»™ng gá»™p bÃ i

30-11-2012, 03:16 AM	#75
leanhao2 +ThÃ nh ViÃªn+ : Jan 2012 : Giang tÃ¢n thÃ´n : 49 : 6	[tex]\vecto{a}[\tex]