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Finite Differences

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsWhat is the (n)th term of the sequence (5,18,43,80,129,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=n^3), what is the formula for (a_n-a_{n-1})?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhich is the (n)th term of the sequence (4,7,14,25,40,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhich is the (n)th term of the sequence (0,5,16,33,56,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=5n^2+2n-9), what is (a_{n+2}-a_n)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsIf (a_n=8n^2-7n+4), what is (a_{n+1}-a_n)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsWhich is the (n)th term of the sequence (9,26,51,84,125,\ldots)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsWhich is the (n)th term of the sequence (15,27,41,57,75,\ldots)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsWhat is the (n)th term of the sequence (3,11,23,39,59,\ldots)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsWhat is the nth term of the sequence 6, 13, 24, 39, 58, …?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich of the following sequences has an nth term that is a quadratic function of n, so that the second differences of consecutive terms are constant?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhat is the (n)th term of the sequence (3,10,21,36,55,\ldots)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsIf (a_n=3n^2+2n-5), what is (a_{n+2}-a_n)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsWhich is the (n)th term of the sequence (2,7,14,23,34,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhat is the (n)th term of the sequence (7,11,17,25,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Medium MathematicsWhat is the general term of the sequence (1,15,63,195,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Expert MathematicsWhich explicit rule is correct for the sequence 5, 19, 45, 83, ...?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Hard MathematicsWhat is the general term of the sequence 2, 12, 26, 44, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Expert MathematicsWhich of the following sequences has an explicit rule of the quadratic form \(a_n=pn^2+qn+r\), where \(p\ne0\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Expert MathematicsWhat is the general term of the sequence (2,14,51,140,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard