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2. {(x² + y 2 ) dm + (x²=_y²) dy = {}{3}[0+ (^_y)²]. 0 + [0 -[(y)²] (14 to { (m² + y2) dx + (x²-y 2) dy. -(1-1)=. 2. (1-y), dy.
2. {(x² + y 2 ) dm + (x²=_y²) dy = {}{3}[0+ (^_y)²]. 0 + [0 -[(y)²] (14 to { (m² + y2) dx + (x²-y 2) dy. -(1-1)=. 2. (1-y), dy.