Question

If two circles a$(x^2+y^2)+bx+cy=0$ and $A(x^2,+y^2)+Bx+Cy=0$ touch each other, then

• A. aC = cA
• B. bC .= cB
• C. aB = bA
• D. aA = bB = cC.

Answer 1

Answer: (B)

Correct answer is (b) bC .= cB