Question

If the circles x2+y2=2 and x2+y2-4x-4y+lambda=0 have exactly three real common tangents the lambda =
1) -10
2) 6
3) -6
4) 10
​

Answer 1

Answer:

1. 033f505b91be77+7bc40eb84e%850d724c6e0
2. 1342
3. 45664
4. 5676