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Find the next three terms of the following sequence. (i) 8, 24, 72,… (ii) 5, 1, -3, … (iii) 1/4, 2/9, 3/16

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Find the next three terms of the following sequence. 

(i) 8, 24, 72,… 

(ii) 5, 1, -3, … 

(iii) 1/4, 2/9, 3/16

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(i) 216, 648, 1944 (This sequence is multiple of 3) 

Next three terms are 216, 648, 1944 

(ii) Next three terms are -7, -11, -15 

(adding -4 with each term) 

(iii) Next three terms are 4/25, 5/36 and 6/49

[using n/(n + 1)2]

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