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Rat.abso.delim. please send the solution to the problem given in the attachment.
rat.abso.delim. Please send the solution to the problem given in the attachment.
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Deepak singh 1 Best Answer
Refer attached
that implies I can apply the ratio test on an alternating series, right?
yes, it will tell about absolute convergence of alternating series.
sorry to say but I remember you telling me that we cant use alternating series in a ratio test, what about that?
to check alternating series , we use leibnitz test . But ratio test , root test are used for checking absolute convergence and absolute convergence implies convergence . if we want to check absolute convergence of alternating series , then we can use ratio or root test , that's why there is modulus sign these ratio and root test .