The area bounded by the curves \( \displaystyle y=-\sqrt{-x} \) and \( \displaystyle x=-\sqrt{-y} \) where \( \displaystyle x,y\leq 0 \)
1
Can not be determined
2
is 1/3
3
is 2/3
4
is same as that of the figure by the curves \( \displaystyle y=\sqrt{-x};x\leq 0 \) and \( \displaystyle x=\sqrt{-y};y\leq 0 \)