If the equation $2x^2 - 2hxy + 2y^2 = 0$ represents two coincident straight lines passing through the origin,then $h = $
- A$2$
- B$\sqrt{2}$
- C$\pm\sqrt{2}$
- D$\pm2$
Explore More
Similar Questions
If $m$ is the slope of one of the lines represented by $ax^{2}+2hxy+by^{2}=0$,then $(h+bm)^{2}$ is equal to
DifficultKCET 2010
View SolutionIf one of the lines represented by $ax^2 + 2hxy + by^2 = 0$ bisects the angle between the positive coordinate axes,then
The locus of a point which moves such that its distance from the $x$-axis is twice its distance from the line $x-y=0$ is
The value of $\lambda$ with $|\lambda| < 16$ such that $2 x^2-10 x y+12 y^2+5 x+\lambda y-3=0$ represents a pair of straight lines,is
If the equation $y^3 - 3x^2y + m(x^3 - 3xy^2) = 0$ represents three lines passing through the origin,then:
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo