Q. 1 C4.7( 3 Votes )

# Prove that the following sets of three lines are concurrent: and y = x.

Given:
bx + ay – ab = 0 … (1)

ax + by – ab = 0 … (2)

x y = 0 … (3)

To prove:

Sets of given three lines are concurrent.

Explanation:

Now, consider the following determinant:

-b × ab - a × ab – ab × (-a – b) = 0

Hence proved, the given lines are concurrent.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Various Forms of Equations of line45 mins
Parametric Equations of Straight line48 mins
Slope, inclination and angle between two lines48 mins
Interactive Quiz on Equations of line23 mins
Straight line | Analyse your learning through quiz56 mins
General Equation of a line43 mins
Motion in a Straight Line - 0372 mins
Motion in a Straight Line - 0665 mins
Motion in a Straight Line - 0556 mins
Motion in a Straight Line - 0261 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses