Page 37 - Kalkulus Lanjut
P. 37
( , , ) = ( , , )
=
2
2
2
(5 − 2 + ) ( + + − 30)
=
−2 = (2 )
1
= − (2)
( , , ) = ( , , )
=
2
2
2
(5 − 2 + ) = ( + + − 30)
1 = (2 )
1
= (3)
2
, ) = + + − 30 = 0 (4)
( , 2 2 2
Dari (1) dan (2) diperoleh :
=
2
1
5 1
= −
2
5 = −2
2
= − (5)
5
33
