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TS EAMCET · Maths · Circle

If the common chord of the circles x2+y2+4y=0 and x2+y2-4x-5=0 is the diameter of the circle S=0 then the abscissa of the centre of the circle S=0 is

  1. A -138
  2. B 38
  3. C 34
  4. D -134
Verified Solution

Answer & Solution

Correct Answer

(B) 38

Step-by-step Solution

Detailed explanation

On plotting the diagram of given data we get, Now we know that common chord is given by S1-S2=4x+4y+5=0 Now we know common chord is bisected by line joining the centre , So assuming line joining the centres of circle is dividing the common chord in λ:1, So coordinate of…
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