Multiple Choice Questions on Find lambda if line lambda x 3y 5 0 is a normal on sup2 y sup2 6x 8y 1 0 ........ for CDS Exam Preparation

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Multiple Choice Questions

Find lambda if line lambda x 3y 5 0 is a normal on sup2 y sup2 6x 8y 1 0 ........

Quantitative Aptitude (CDS) Coordinate Geometry
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    Find λ if line λx +3y -5 = 0 is a normal on ²+y²-6x+8y-1=0 .

    19/3

    Incorrect Answer

    3/17

    Incorrect Answer

    3/7

    Incorrect Answer

    17/3

    Correct Answer
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    Explanation:

    centre of circle (3 , -4) lies on the normal of circle so this point satisfy the equation of line 
    hence λ(3) +3(-4) -5 = 0
    λ = 17/3 

    By: bhavesh kumar singh
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