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  • Which of the following circle passing through origin isOption: 1 <img alt="x^2+y^2+x+y+1=0" src="https://learn.careers360.com/latex-image/?x%5E2&

Which of the following circle passing through origin is

Option: 1

x^2+y^2+x+y+1=0


Option: 2

x^2+y^2+4x-2y=0


Option: 3

x^2-y^2+2x+2y=0


Option: 4

both (b) and (c)


Answers (1)

best_answer

put x = 0 and y = 0 and check this satisfies the equation

In the equation x^2-y^2+2x+2y=0 if we put x = 0 and y = 0 then this satisfies the equation but this equation is not a circle.

Posted by

manish painkra

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