The integral power rule in 3 easy steps

by Sidney Schuman

 

 

  

1       Area of rectangle =  A + B

         Area of rectangle =   x  x  y

         

        

         Tinkering with the calculus power rules

2

 This gives the result:

                                             

3        Substitute this into the first equation:     

         and then simplify:   

        

   Before teaching calculus                                     Power Maths                                                Worksheet