The Gateway to Computer Science Excellence
First time here? Checkout the FAQ!
x
0 votes
181 views

The value of $k$ for which $4x^2 – 8xy + ky^2 = 0$ does not represent a pair of straight lines (both passing through the origin) is:

  1. 0
  2. 2
  3. 9
  4. 3
asked in Non GATE by Veteran (59.5k points) | 181 views

2 Answers

0 votes
d) 3
answered by Loyal (5.2k points)
0 votes
ans is C.

for k=9, it will become an expression for a circle.
answered by Loyal (8.2k points)

Related questions

0 votes
0 answers
2
asked Oct 8, 2014 in Non GATE by Kathleen Veteran (59.5k points) | 147 views
0 votes
0 answers
3
asked Oct 8, 2014 in Non GATE by Kathleen Veteran (59.5k points) | 109 views


Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true

39,512 questions
46,664 answers
139,703 comments
57,481 users