Mathematics

Problem

Tangents are drawn from

(4, 4)

to the circle

x^2 + y^2 - 2x - 2y - 7 = 0

to meet the circle at A and B. The length of the chord AB is - (A)

2\sqrt{3}

(B)

3\sqrt{2}

(C)

2\sqrt{6}

(D)

6\sqrt{2}