Question about Casio FX-9750GPlus Calculator
On solver mode I only get one possible answer for the equation I type in, when there are sometimes two. What am I supposed to do to get both possible answers?
Your Solver is a numerical solver not a symbolic one. You have to supply an initial guess at a solution and the Solver finds it. If you suspect, or know, that there are others jut run the solver again supplying the initial guess for each additional solution.
One easy way to locate the roots of an equation is to draw the function (without =0) and see on the graph the approximate values of x where the function vanishes. These approximate values of the roots can be used as initial guesses in the Solver.
Posted on Jan 01, 2010
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Posted on Jan 02, 2017
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