- #1
denian
- 641
- 0
given f(x,y) = x-y
R is a triangle with vertices (2,9), (2,1), (-2,1)
then i need to find I,
I = int. int. (x-y) dx dy
i was taught to use this range when i do the dbl. integration
1 <= y <= 9
(y-5)/2 <= x <= 2
i want to ask, why can't i use this range:
1 <= y <= 9
-2 <= x <= (y-5)/2
thank you.
R is a triangle with vertices (2,9), (2,1), (-2,1)
then i need to find I,
I = int. int. (x-y) dx dy
i was taught to use this range when i do the dbl. integration
1 <= y <= 9
(y-5)/2 <= x <= 2
i want to ask, why can't i use this range:
1 <= y <= 9
-2 <= x <= (y-5)/2
thank you.