Over what open interval does the formula F(x)=[int (from 1 to x) dt/t] represent an antiderivative of f(x)=1/x? and find a point where the graph of F crosses the x-axis. I don't even how to start calculating this problem. Thank you
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Originally Posted by noppawit Over what open interval does the formula F(x)=[int (from 1 to x) dt/t] represent an antiderivative of f(x)=1/x? and find a point where the graph of F crosses the x-axis. I don't even how to start calculating this problem. Thank you hmm, since you are already in the integrals, you should already know the function for which you differentiate it gives . let . Then . Thus, by FTOC, , where ..
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