The zeroes of the polynomial $x^{2}-\sqrt{2} x-12$ are (a) $\sqrt{2},-\sqrt{2}$ (b) $3 \sqrt{2},-2 \sqrt{2}$ (c) $-3 \sqrt{2}, 2 \sqrt{2}$ (d) $3 \sqrt{2}, 2 \sqrt{2}$