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it is also regarding cirles and i tried a lot but i didnt get the answer

it is also regarding cirles and i tried a lot but i didnt get the  answer

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Grade:12th pass

1 Answers

Sayam
49 Points
4 years ago
The equation of circle is x2+y2+2x-4y-4=0
The equation of its diameter is 3x+5y+c=0....( where c is a constant) as this line is parallel to 3x+5y-4=0
As the diameter passes through center (-1,2). so satisfy this point in the above equation. you will get c =-7
the correct option is A. Hope this clears your doubt.

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