﻿ If two of the lines given by the equation ax3 – 9yx2 – y2x + 4y3 = 0 are perpendicular then a is equal to : Kaysons Education

If Two Of The Lines Given By The Equation ax3 – 9yx2 – y2x + 4y3 = 0 Are Perpendicular Then a is Equal To

Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

Live Doubt Clearing Session

Ask your doubts live everyday Join our live doubt clearing session conducted by our experts.

National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

Question

Solution

Correct option is

– 4, 5

m1m2 = – a/4, m1m2 = –1 ⇒ m3 = a/4

SIMILAR QUESTIONS

Q1

The lengths of the perpendicular from the points (m2, 2m), (mmm +m) and (m2, 2m) to the line x + y + 1 = 0 form

Q2

The sine of the angle between the pair of lines represented by the equation x2 – 7xy + 12y2 = 0 is

Q3

The square of the differences of the slopes of the lines represented by the equation x2(sec2θ – sin2θ) – (2xy tan θ + y2 sin2θ = 0) is

Q4

The line joining the origin to the points of intersection of x2 + y2 + 2gx + c = 0 and x2 + y2 + 2fy – c = 0 are at right angles, if

Q5

Two of the lines represented by x3 – 6x2y + 3xy2 + dy3 = 0 are perpendicular for

Q6

If pairs of lines 3x2 – 2pxy – 3y2 = 0 and 5x2 – 2qxy – 5y2 = 0 are such that each pair bisects the angle between the other pair, then pq is equal to

Q7

The line x + y = 1 meets the line represented by the equation y3 –xy2 – 14x2y + 24x3 = 0 at the points ABC. If O is the origin, then

OA2 + OB2 + OC2 is equal to

Q8

If the area of the triangle formed by the pair of lines 8x2 – 6xy + y2 = 0 and the line 2x + 3y = a is 7, then a is equal to

Q9

If p is length of the perpendicular from the origin on the line  are in A.P. then ab is equal to

Q10

The number of straight lines equidistant from three non-collinear points in the plane of the points is equal to