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What does the equation x^2 + y^2 = 16  represents ? 

Option: 1

Hyperbola 


Option: 2

ellipse 


Option: 3

circle 


Option: 4

straight line 


Answers (1)

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As we have learned

Locus -

Every locus can be represented by some equation and conversely every equation represent some locus.

-

 

 x^2 + y^2 = 16 represents  a circle with centre (0,0)

and radius 4 

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vinayak

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