dx = 1 dx = sin X dx dy = x =X dx dy - -y dx dy dx =y- 11/12/² X= + y www - www wwwww Anton www P Alata MAK wwwwwww www

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Dx 1 Dx Sin X Dx Dy X X Dx Dy Y Dx Dy Dx Y 11 12 X Y Www Www Wwwww Anton Www P Alata Mak Wwwwwww Www 1 (233.88 KiB) Viewed 31 times

Dx 1 Dx Sin X Dx Dy X X Dx Dy Y Dx Dy Dx Y 11 12 X Y Www Www Wwwww Anton Www P Alata Mak Wwwwwww Www 2 (274.91 KiB) Viewed 31 times

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Radium has a half-life of 1600 years. How many years does it take for 90% of a given amount of radium to decay? O 1600 in 5 O O O 1600 In 5 1600 In 2 1600 in 10 1600 in 10 In 2 1600 in 2 1500 in 6 1600 in 2 In 10