Y X 1 -1 - Y X d) F(x;y) = arcsenx +ln ( y − x 2 ) √ x 2 + y 2 sea f (x,y) = g(x,y)+h(x,y) g(x,y) = arcsenx entonces −1 ≤ y ≤ 1 h(x,y) = ln ( y − x 2 ) √ x 2 + y 2 √ x 2 + y 2 → x 2 + y 2 >0 → y 2 >− x 2 ln( y − x 2 ) → y − x 2 >0 → y . > x 2 Por lo tanto f (x,y) = g(x,y) ∩ h(x,y)
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.