P4. Determine whether the given series are a) absolutely convergent, b) conditionally (ii) 2 –+ convergent, or c) divergent. sin a (i) sin (n a) ... + n² sin(2 a) + 1 4 (ii) 2 - + .…+ (-1)"+1, + ... n (iii) (-1)" Zn=1 n-Inn

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