IPMAT Indore 2021 (SA) - If one of the lines given by the equation 2x^2 + axy + 3y^2 = 0 coincides with one of those given by 2x^2 + bxy - 3y^2 = 0 and the other lines represented by them are perpendicular then a^2+b^2 = | PYQs + Solutions | AfterBoards
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IPMAT Indore 2021

Geometry
>
Straight Lines

Hard

If one of the lines given by the equation 2x2+axy+3y2=02x^2 + axy + 3y^2 = 0 coincides with one of those given by 2x2+bxy−3y2=02x^2 + bxy - 3y^2 = 0 and the other lines represented by them are perpendicular then a2+b2=a^2+b^2 =

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Correct Answer: 26

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