Circles Part 2
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Question : 4 of 78
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Let the set of all values of r , for which the circles ( x + 1 ) 2 + ( y + 4 ) 2 = r 2 and x 2 + y 2 − 4 x − 2 y − 4 = 0 intersect at two distinct points be the interval ( α , β ) . Then α β is equal to
[22 Jan 2026 Shift 1]
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