Asked by hast
                Determine the points on the curve y=x^2(x^3-x)^2 where the tangent line is horizontal. Thx!
            
            
        Answers
                    Answered by
            Harlery
            
    (y z x2)
    
                    Answered by
            Bosnian
            
    The slope of the tangent line is equal to the first derivative.
You must find where is first derivative=0
In this case the tangent line is horizontal.
In google type: calc101
When you see list of results click on:
Calc101com Automatic Calculus,Linear Algebra and Polynomials
When page be open clik option: derivatives
When this page be open in rectacangle type your equation and click options
DO IT
You will see solution for first derivative.
Then in google type: equation solver
When you see list of results click on:
 
Equation Calculator & Solver-Algebra.help
When this page be open in rectacangle type expresion for firste derivatives=0 and click options solve.
If your expresion is:
x^2*(x^3-x)^2
First derivative is:
4(2x^7-3x^5+x^3)
In this case in equation solver type:
4(2x^7-3x^5+x^3)=0
and solutions is:
-1, -sqroot(2)/2, sqroot(2)/2, 1
    
You must find where is first derivative=0
In this case the tangent line is horizontal.
In google type: calc101
When you see list of results click on:
Calc101com Automatic Calculus,Linear Algebra and Polynomials
When page be open clik option: derivatives
When this page be open in rectacangle type your equation and click options
DO IT
You will see solution for first derivative.
Then in google type: equation solver
When you see list of results click on:
Equation Calculator & Solver-Algebra.help
When this page be open in rectacangle type expresion for firste derivatives=0 and click options solve.
If your expresion is:
x^2*(x^3-x)^2
First derivative is:
4(2x^7-3x^5+x^3)
In this case in equation solver type:
4(2x^7-3x^5+x^3)=0
and solutions is:
-1, -sqroot(2)/2, sqroot(2)/2, 1
                    Answered by
            Bosnian
            
    One of solutions is obviously:
x=0
    
x=0
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