O/L Maths

[madhawavish]

x+ 1/x = 3
x^2+1 =3x--------------(1)

x^2 +1/x^2=y
x^4 +1=x^2y-----------(2)

(2) - (1) >>>>>x^4 -x^2 =x^2*y -3x----------(3)
x walin depaththama bedanna
(3)/x >>>>>>>>>>>>>>>x^3- x =x y -3
y =(x^2 -1 +3/x)
(1) n........ x=(3+mula 5)/2 ,x=(3-mula 5)/2
x=(3+2.236)/2 ,x=(3-2.236)/2
2.618 , 0.382
y= x^2 -1 +3/x
x= 2.618 wita
y= 7//

x=0.382 wita
y=2.1
y=2//(asanna wasayen)
issella akurak mewwa wela thibba..dan hari meka uda samikaraneta anuwa haduwoth uththara 2k enawa....(wargaja prakashanayak handa)..ea dekama (7,2) hari...

 

[Ace Viper]

x+ 1/x = 3
x^2+1 =3x--------------(1)

x^2 +1/x^2=y
x^4 +1=x^2y-----------(2)

(2) - (1) >>>>>x^4 -x^2 =x^2*y -3x----------(3)
x walin depaththama bedanna
(3)/x >>>>>>>>>>>>>>>x^3- x =x y -3
y =x^3 -x +3
answer = x^3 -x +3 //

uththarayakne ban ganna one ,
x^2 + 1/x^2 = x^3 -x +3 kiyna eke therumak nane , anika waradine adesha karala balapanko x ta agayan

 

[tupac97]

අපෝ ඊයා කරුම විෂයික් , මල් ජරාවක්

 

[madhawavish]

uththarayakne ban ganna one ,
x^2 + 1/x^2 = x^3 -x +3 kiyna eke therumak nane , anika waradine adesha karala balapanko x ta agayan

update kara macho...okata eka uththarayak witharak thiyenna bane....rekiya prakashanayak newene,...

 

[Ace Viper]

update kara macho...okata eka uththarayak witharak thiyenna bane....rekiya prakashanayak newene,...

mokakda update karala thiynne ?
eka uththarayak withrayi ban enne , palaweni samikarane mehema nan deweni ekata uththarene ahala thiyene ..
palaweni eke uththara deka kelinma adesha karala balapan ekama uthare enne

 

[Ace Viper]

x+ 1/x = 3
x^2+1 =3x--------------(1)

x^2 +1/x^2=y
x^4 +1=x^2y-----------(2)

(2) - (1) >>>>>x^4 -x^2 =x^2*y -3x----------(3)
x walin depaththama bedanna
(3)/x >>>>>>>>>>>>>>>x^3- x =x y -3
y =x^3 -x +3
(1) n........ x=(3+mula 5)/2 ,x=(3-mula 5)/2
x=(3+2.236)/2 ,x=(3-2.236)/2
2.618 , 0.382
y= x^3 -x +3
x= 2.618 wita
y= 18.325//

x=0.382 wita
y=2.673//

sulu karala waradi samikarane ,
y = X^2 + 3/X +1

ekama uthare enne

 

[rox2030]

7i

more details 14 comnt eke

 

[kazzen]

machan mehema tibbama kohomada ban sulu kerenne..ape podi ekak awilla gedera uu meka ahanawa..

x+1/x = 3 nam
x2+1/x2 = kiyada ahanawa...

amme thaama O/L karana chu kollo ne elakiri eke inne

 

[djnick]

ehemath ahuwada?
okunwa marana kanna epai yako

 

[madhawavish]

sulu karala waradi samikarane ,
y = X^2 + 3/X +1

ekama uthare enne

thanks ..2 enda epai

 

[Gasa84]

2i

x+1/x=3
x+1/x*x=3*x
x+1=3x
x+1-x=3x-x
1=2x
x=0.5

x2+1/x2
0.5*2+1/0.5*2

lol

 

[Gasa84]

7 do 7 .....O/L fail wennanam 2 kiyapan ...

aruge 2nd step eka awul wagene ban

 

[Gasa84]

x+1/x=3

(x+1/x)^2= 3^2

x^2+1/(x^2)+2 =9

x^2+1/x^2= 7