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Question Number 19264 by mondodotto@gmail.com last updated on 08/Aug/17

Commented by Satyamtt last updated on 08/Aug/17

Is it 23 ? (by method of differences)

$$\mathrm{Is}\:\mathrm{it}\:\mathrm{23}\:?\:\left(\mathrm{by}\:\mathrm{method}\:\mathrm{of}\:\mathrm{differences}\right) \\ $$

Commented by RasheedSindhi last updated on 12/Aug/17

If the next number is 24,then  the rule should be,I think  n^2 −1. But this rule gives  first term as 0.So the sequence  might be 0,3,8,15,24,...

$$\mathrm{If}\:\mathrm{the}\:\mathrm{next}\:\mathrm{number}\:\mathrm{is}\:\mathrm{24},\mathrm{then} \\ $$$$\mathrm{the}\:\mathrm{rule}\:\mathrm{should}\:\mathrm{be},\mathrm{I}\:\mathrm{think} \\ $$$$\mathrm{n}^{\mathrm{2}} −\mathrm{1}.\:\mathrm{But}\:\mathrm{this}\:\mathrm{rule}\:\mathrm{gives} \\ $$$$\mathrm{first}\:\mathrm{term}\:\mathrm{as}\:\mathrm{0}.\mathrm{So}\:\mathrm{the}\:\mathrm{sequence} \\ $$$$\mathrm{might}\:\mathrm{be}\:\mathrm{0},\mathrm{3},\mathrm{8},\mathrm{15},\mathrm{24},... \\ $$

Answered by anuragbhandari123@gmail.com last updated on 11/Aug/17

24

$$\mathrm{24} \\ $$

Commented by RasheedSindhi last updated on 12/Aug/17

What is the rule of sequence?

$$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{rule}\:\mathrm{of}\:\mathrm{sequence}? \\ $$

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