$I_1 = \int \limits _1^2 |x| dx ; I_2=\int \limits_1^2 \large\frac{1}{\sqrt {1+x^2}}$$ dx $

Question

\[\begin {array} {1 1} (a)\;I_1 > I_2 \\ (b)\;I_1=I_2 \\ (c)\;I_1 < I_2 \\ (d)\;None \end {array}\]