Question

Which of the following statements is true regarding the following two circles?

x² + y² – 4x – 8y = 0, x² + y² – 8x – 6y + 20 = 0

(1) These circles do not touch each other 

(2) These circles touch each other internally

(3) These circles touch each other externally 

(4) None of these

Answer 1

(2) These circles touch each other internally

Explanation

This shows that these circles touch each other internally.