Page 33 - More Higher algebra
P. 33

2
                               + 6   + 9 = 8   + 8
                                                             2
                         2
                          − 2   + 1 = 0  ⇒ (   − 1)
        The solution is  x = 1.  Again verify this by using the

        SOLVE  on  your  fx  calculator,  seed  value  of  2,  the
        original equation is,


                     = 2 ln(   + 3) − ln(   + 1) − 3 ln(2)

        The keystrokes are,

          C2hQ(X)+3)phJ(X)+1

             )p3h2)Q(=)0q(SOLVE)


        Solve for X 1=










        Here is plot of the function,
















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