Evaluate ∬R(x2−y2)dA\iint_R (x^2 - y^2) dA∬R(x2−y2)dA where RRR is the region 0≤x≤1,0≤y≤10 \leq x \leq 1, 0 \leq y \leq 10≤x≤1,0≤y≤1.
000
111
1/31/31/3
−1/3-1/3−1/3