5-B-1. 次の広義積分の値を求めよ.
(1) ff e dady, D = {(x,y) | 0 < x≤ 1,0 ≤ y ≤ a)
(2) 1₂ V-
(3) ₂
X
-- dzdy, D = {(x,y) | z+y< 1, z ≥ 0,y
log (x² + y²) drdy, D = {(x,y) | 0 < x² + y² ≤ 1}
D={(z,g)|0<y<a<1}
1
(4) N₁₂√7²-V dady.
drdy,
x-y
D
(5) Je -r²+2ry-5y² drdy, DUST
D