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Mathematics - Point Question with Solution | TestHub

MathematicsPointLocusMedium2 minPYQ_2017
MathematicsMediumsingle choice

Letkbe an integer such that the triangle with verticesk,-3k, 5, kand-k, 2has area28sq. units. Then the orthocenter of this triangle is at the point:

Question diagram: Let k be an integer such that the triangle with vertices k ,

Options:

Answer:
D
Solution:

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Given, Area of the triangle ABC=2812kk-2+52+3k-k-4k=28

kk-2+52+3k-k-4k=56

 5k2+13k46=0

 k=2 and k=-235 (Not possible)

Altitude from  A : x=2

Altitude from B : y-2=12x-5

So, their point of intersection is H2,12

Stream:JEESubject:MathematicsTopic:PointSubtopic:Locus
2mℹ️ Source: PYQ_2017

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