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Ask any Statistics/Probability/Math Question

A dump of our free Chat sessions, in case it is useful. It excludes white boards used during paid sessions.





student : hello
tutorsd6 : please wait
tutorsd6 : f(x)=(x^4-x^2+2)/x^4
tutorsd6 : find f"(x) and f"(x) = 0
tutorsd6 : the value of x is the point of inflection
student : i already found f''(x) but it doesnt make sence
tutorsd6 : okay
tutorsd6 : the let me try
tutorsd6 : f'(x) = ( 2x^5 - 8x^3 ) / x^8
tutorsd6 : f''(x ) = ( 36x^10- 6 x^12 ) / x^ 16 = 0
tutorsd6 : 6x^10 ( 6 - x^2 ) = 0
tutorsd6 : x = 0 or x = + - root 6


TutorTeddy.com & Boston Predictive Analytics

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