The two circles x² + y² = r² and x² + y² - 10x + 16 = 0 intersect at two distinct points. Then which one of the following is correct? - NDA Mathematics 2017 (I)

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The two circles x² + y² = r² and x² + y² – 10x + 16 = 0 intersect at two distinct points. Then which one of the following is correct?