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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 aₙ = n² + dn + 2 and a₄ = 34, what is the value of d?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Medium MathematicsWhich is the correct rule for the sequence (7,18,37,64,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsIf (a_n=3n^2-2n+5), what are the first three terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsIf (a_n=5n^2+2), what is the value of (a_4+a_1)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhich is the correct rule for the sequence (9,20,33,48,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhat is the general term of the sequence (3,4,7,12,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhich is the correct rule for the sequence (3,6,11,18,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsIf (a_n=3n^2+4), what is the value of (a_2+a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhich option contains the first three terms formed by (a_n=2n^2-n+4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhich is the correct rule for the sequence (4,10,18,28,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhat will be the (9)th term of the sequence (8,17,30,47,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsIf (a_n=3n^2+2n), what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhat is the general term of the sequence (10,18,28,40,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhich general term is correct for the sequence (3, 18, 43, 78, ...)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=5n^2-2) then what is the value of (a_3+a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (3,13,27,45,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhich of the following sequences will have constant second differences?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhat is the general term of the sequence (1,6,13,22,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsWhich general term is correct for the sequence (6,12,20,30,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=2n^2+n-1), what is the value of (a_6-a_2)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard