JEE MATHEMATICS MCQ: STRAIGHT LINES

1 Easy

1 of 1

Application +4 | -1

The straight line through the point of intersection of

a x+b y+c=0

and

a^{\prime} x+b^{\prime} y+c^{\prime}=0

are parallel to the

y

-axis has the equation

View answer and explanation

Correct option: A

x\left(a b^{\prime}-a^{\prime} b\right)+\left(c b^{\prime}-c^{\prime} b\right)=0

Option A is correct. The equation of the straight line through the intersection of

ax+by+c=0

and

a'x+b'y+c'=0

and parallel to the y-axis is

x(ab'-a'b)+(cb'-c'b)=0

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