[الشيمآء]

السلآم عليكم .،

http://www.skaau.com/vb/member.php?u=80130
y
1: a: the curve has a point of inflection at ( 1 , - 47/3 )
b: local maximum at ( - 3 , 27 )
local minimum at ( 5 , - 175 / 3 )
c: concave down on ( - infinity , 1 )
concave up on ( 1 , infinity )

2: y'' = 6 - 3x^2


3: 1/2

4: = 1944 / 125

5: = - 3/4

6: - 8 csc x

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