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The common tangent to the circles x 2 + y 2 = 4 and x 2 + y 2 + 6x + 8y – 24 = 0 also passes through the point :

1. (–6, 4)
2. (4, –2)
3. (–4, 6)
4. (6, –2)

Correct answer: (6, –2)

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