GRE Question of the Day (January 1)

\({12^2 + 13^2 - \left[ \begin{array}{cc|r} 2(12)(13)(\frac{{12}}{{13}}) \end{array} \right]}\)

(A) 313

(B) 289

(C) 169

(D) 25

(E) 1

Correct Answer - D - (click and drag your mouse to see the answer)