JEE Mains 29-July-2022 Shift 1 Solved Paper

Section: Mathematics
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Question : 30 of 90
 
Marks: +1, -0
Let the mirror image of a circle c1:x2+y2−2x−6y+α=0 in line y=x+1 be c2:5x2+5y2+10gx+10fy+38=0. If r is the radius of circle c2, then α+6r2 is equal to ________.
[29-Jul-2022-Shift-1]
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