# The area (in square units) of the region bounded by the curves $y + 2x^2 =0$ and $y+3x^2 =1$, is equal to :
( A ) $\frac{1}{3}$
( B ) $\frac{3}{5}$
( C ) $\frac{3}{4}$
( D ) $\frac{4}{3}$