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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।

MathematicsIf (a_n=5n^2-1), which term is (124)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhat is the (n)th term of the sequence (3,6,11,18,27,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=n^2), what is the formula for (a_n-a_{n-1})?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=n(n-2)), which is the first zero term?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=n^2+4n), what is the value of (a_{10}+a_1)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhat is the (n)th term of the sequence (1,3,7,13,21,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the (n)th term of the sequence (7,10,15,22,31,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the (n)th term of the sequence (4,9,16,25,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=2n^2+5n), what is the value of (a_6-a_3)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsA sequence has (a_n=3n^2-7n+6). What is the difference between (a_2) and (a_9)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsIf (a_n=n^2+6), which term is (87)?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 MathematicsIf (a_n=n^2+4n-6), what is the value of (a_{10}-a_6)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsIf (a_n=5n^2-2n+1), what is (a_{n+1}-a_n)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsWhich is the (n)th term of the sequence (1,6,15,28,45,\ldots)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsIf (a_n=4n^2-3n+2), what is the value of (a_7)?Class 9Sequences and Progressionsnth termLevel 58Hard MathematicsIf the (n)th term of a sequence is (a_n=3n^2+n-2), what is the value of (a_8)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhich is the (n)th term of the sequence (0,3,8,15,24,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=2n^2-3n+4), what is (a_{n+1}-a_n)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsA sequence has rule (a_n=5n^2+2). Which term is (127)?Class 9Sequences and Progressionsnth termLevel 57Hard