sign up I login
 advanced
refer a friend - earn nickels!!

Ask & Discuss Questions with Community & Experts

Moderation Team
 90 chars left    advanced
Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Pair Of Straight Lines
Forum Index -> Analytical Geometry like the article? email it to a friend.  
Author Message
m.viddya (101)

Scorching goIITian

Olaaa!! Perrrfect answer. 19  [22 rates]

m.viddya's Avatar

total posts: 218    
offline Offline
Q.I need a method/solution/shortcut to find out the individual line equations of 12x2-20xy+7y2=0.
    
pinnacle (223)

Hot goIITian

Olaaa!! Perrrfect answer. 37  [56 rates]

pinnacle's Avatar

total posts: 176    
offline Offline
factorisation?

12xsq - 14xy - 6xy+7ysq =0
2x[6x- 7y] -y[6x-7y] = 0
thus two equations are
2x-y = 0
and
6x- 7y= 0
Dats d only method I know

I Tried So Hard And Got So Far
But In The End
It Doesnt Even Matter...
 this reply: 5 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
You have to be logged on to rate
  
LAMPARD (1142)

Blazing goIITian

Olaaa!! Perrrfect answer. 190  [286 rates]

LAMPARD's Avatar

total posts: 777    
offline Offline
Write the exp. as
12x2-14xy-6xy+7y2=0
=>(2x-y)(6x-7y)=0.
These are the reqd. lines.

MaNuTd RoXxXx..MaNuTd 2 WiN PrEmIeR LeAgUe ThIs SeAsOn ToO AlOnG WiTh ChAmPiOnS LeAgUe.....HaiL RoNaLdO ...HaiL LaMpArD...
 this reply: 5 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
You have to be logged on to rate
  
 
Forum Index -> Analytical Geometry
Go to:   

Top Offers for goIITians
Correspondence Courses
Brilliant Tutorials
Narayana Institute
Aakash Institute
Classroom/Crash Courses
Narayana - Kota , Delhi , Others
Brilliant Tutorials - Class , Crash
Aakash Institute - Medical , Engg
Online Test Series
Brilliant Tutorials
Narayana Institute
Aakash Institute
Mahesh Tutorials
AMITY      Sri Chaitanya