Orthogonal Ole

Geometry Level pending

If the circles x 2 + y 2 + 2 x + 2 k y + 6 = 0 x^2+y^2+2x+2ky+6=0 and x 2 + y 2 + 2 k y + k = 0 x^2+y^2+2ky+k=0 intersect orthogonally, find product of the possible values of k k .

-1 2 4 -3

Ashwin Kumar by Ashwin Kumar , 21, India

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1 solution

Ashwin Kumar
Jul 7, 2016

Condition for Orthogonal circles : So product = -3

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Nowhere is mentioned to find product. Its only written find k which among the given options is only 2 2 .

Rishabh Jain - 4 years, 11 months ago

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Sorry for the inconvenience the question is corrected , initially i had changed the question to find the product but some how the change was not committed .

Ashwin Kumar - 4 years, 11 months ago

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