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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=3n^2-2n), what is the value of (a_4)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsWhat is the (n)th term of the sequence (4,7,12,19,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsIf (a_n=4n^2-1), what is (a_4)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsWhat is the nth term of the sequence (2, 5, 10, 17, ...)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsIf (a_n=n^2+n), what is the value of (a_7)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsIf (a_n=2n^2+1), what is (a_5)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsIf (a_n=n^2-1), what is the sixth term?Class 9Sequences and Progressionsnth termLevel 59Easy MathematicsIf (a_n=n^2+1), what is the fifth term?Class 9Sequences and Progressionsnth termLevel 59Easy MathematicsWhat is the general term of the sequence (8,27,56,95,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=7n^2-4n+1), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhat is the general term of the sequence 12, 27, 46, 69, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf (a_n=2n^2+9n+1), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhat is the general term of the sequence 9, 26, 55, 96, …?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf \(a_n=\frac{3n^2+5n}{4}\), what is the value of \(a_4\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=4n^2+5n-6), what is the value of (a_3+a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhat is the general term of the sequence (2,11,26,47,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich explicit rule is correct for the sequence (7,24,51,88,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsWhich is the correct rule for the sequence (9, 22, 45, 78, ...)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf (a_n=4n^2-3n+8), what are the first three terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Expert MathematicsWhich is the correct rule for the sequence (14,31,54,83,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Expert