X 2 xy y 2 100 July 8, 2019 16 32 64 128 X 2 xy y 2 100 find dy dx X 2 y 2 100 xy 8 X 2 y 2 100 xy 6 X 2 y 2 100 and xy 18 Find dy dx given that x 2 xy y 2 100 X y 2 100 and xy 2 16 X y 2 xy 2 100 nilai xy