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Clavis TMUA Set C Paper 1 · Q12

Paper 1GeometryAlgebra

Find the length of the tangent from the point (7,4)(7,4) to the circle with equation

x2+y2−4x+2y−4=0.x^2+y^2-4x+2y-4=0.
A35\sqrt{35}
B66
C41\sqrt{41}
D77
E525\sqrt2
F59\sqrt{59}

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