Question

Find the value of lambda for which the equation (10x-5)^2+(10y-7)^2=lambda^2(5x+12y+7)^2 represent the equation of parabola

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Question



The value of λ for which the equation (10x−5)2+(10y−7)2=λ2(5x+12y+7)2 represents the parabola is:

This question has multiple correct options

A

1310

B

−1310

C

131

D

None of these

Medium

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Solution



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Correct option is

A

1310

B

−1310

(10x−5)2+(10y−7)2=λ2(5x+12y+7)2

=>(x−21)2+(y−107)2=102λ2(5)