Mathematics

Problem

If the tangents at the point

P

and

Q

on the circle

x^2 + y^2 - 2x + y = 5

meet at the point

R\left(\frac{9}{4}, 2\right)

, then the area of the triangle

PQR

is (a)

\frac{13}{4}

(b)

\frac{5}{4}

(c)

\frac{5}{8}

(d)

\frac{13}{8}