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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=n^2+cn) and (a_3=18), what is the value of (c)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich is the correct rule for the sequence (5,14,29,50,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf (a_n=2n^2+2n+1), what are the first three terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf (a_n=4n^2-1), what is the value of (a_5+a_1)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhat is the general term of the sequence (1,2,5,10,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich is the correct rule for the sequence (0,3,8,15,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich is the correct rule for the sequence (3,7,13,21,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich option contains the first three terms formed by (a_n=n^2+3n-1)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhat will be the (8)th term of the sequence (5,11,19,29,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf a_n=n^2+3n+2, what are the first four terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhat is the general term of the sequence (5,14,27,44,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhat is the general term of the sequence (4,15,32,55,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhat is the general term of the sequence (0,5,12,21,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=7n^2+2n-5) then which statement is correct?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhich general term is correct for the sequence (6,13,22,33,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhich of the following sequences has constant second differences for all terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhat is the general term of the sequence (5,12,23,38,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsChoose the correct (a_n) for the sequence (4,13,28,49,\ldots).Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf (a_n=3n^2-2), what is (a_4+a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhich is the general rule for the sequence (2,6,12,20,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard