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Quadratic Sequence

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

MathematicsWhich is the (n)th term of the sequence (2,12,30,56,90,\ldots)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsIf (a_n=5n^2+2n-9), what is (a_{n+2}-a_n)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsIf (a_n=3n^2+5n-8), what is the value of (a_9-a_6)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsWhich is the nth term of the sequence 8, 21, 40, 65, 96, …?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsIf (a_n=2n^2+9n-11), what is the value of (a_{10}-a_4)?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 MathematicsIf (a_n=7n^2-3n+5), what is the value of (a_6)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsIf (a_n=3n^2+4n), what is the value of (a_7-a_4)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsA sequence has (a_n=4n^2-9n+7). What is the value of (a_{10}-a_3)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsIf (a_n=n^2+10), which term is (131)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsWhich is the (n)th term of the sequence (1,7,17,31,49,\ldots)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsIf (a_n=4n^2+n-6), what is (a_{n+2}-a_n)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsIf (a_n=2n^2+3n-4), what is the value of (a_8-a_5)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsIf (a_n=6n^2-5n+2), what is (a_{n+1}-a_n)?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 MathematicsIf (a_n=n^2+7n-8), what is the value of (a_9-a_4)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsIf (a_n=5n^2-4n+3), what is the value of (a_6)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsIf (a_n=4n^2+n), what is (a_{n+1}-a_n)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhat is the (n)th term of the sequence (5,8,13,20,29,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=n^2-3n+5), what is the smallest term value?Class 9Sequences and Progressionsnth termLevel 56Expert