SOLUTION: Let f\left(x\right)=\frac{5}{2}x^2-e^x . Find the value of x for which the second derivative f^{\:ii}\left(x\right) equals zero.

Question 1183580: Let f\left(x\right)=\frac{5}{2}x^2-e^x . Find the value of x for which the second derivative f^{\:ii}\left(x\right) equals zero.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Let .
Find the value of for which the second derivative '' equals zero.
....first find first derivate
‘
now find second derivate
‘‘

second derivative '' equals zero:

..........take natural log of both sides

............

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