7/21/2019 Rumus Math

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xyyxdx

yd35445

12

2

2

++= xyyxdx

d35445

12++=

653

52

2++

+=

yx

xy

xyyxdx

dy35445

12++= 84 iy = iy 306+=

867

75

64

=

+=

+=

xy

xy

xy

23

4643 +

( )

+=

x

xy

x

xf 22

2

1

34

lim

+

x

x

x