Centre of the circle inscribed in a rect...

Centre of the circle inscribed in a rectangle formed by the lines `x^2 - 8x+12 = 0` and `y^2 - 14y +40=0` is

A

(4,7)

B

(7,4)

C

(9,4)

D

(4,9)

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The correct Answer is:

A

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