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Mathematics
If equation of common tangent of circle x2 + y2 = 4 and x2 + y2 + 6x + 8y - 24 = 0 exist then which point lie on this tangent
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Q. If equation of common tangent of circle x$^2$ + y$^2$ = 4 and x$^2$ + y$^2$ + 6x + 8y - 24 = 0 exist then which point lie on this tangent
A
(6, - 4)
B
(8, 4)
C
(-4, 6)
D
(6, -2)
Solution:
Correct answer is (d) (6, -2)