Question
Mathematics Question on circle
If the circles x2 + y2 + 2x + 2ky + 6 = 0, x2 + y2 + 2ky + k = 0 intersect orthogonally, then k is
A
2(or)2−3
B
-2(or)2−3
C
2(or)23
D
-2(or)23
Answer
2(or)2−3
Explanation
Solution
The correct option is (A): 2(or)2−3