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Explicit Formula

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

MathematicsIf \(a_n=\frac{n(4n+1)}{2}\), what is the value of \(a_5\)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsWhich is the correct rule for the sequence (14,31,54,83,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsWhich is the correct rule for the sequence (8,17,28,41,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsIf \(a_n=\frac{n(2n+3)}{2}\), what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsWhat is the general term of the sequence (2,12,36,80,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsWhat is the general term of the sequence (2,6,22,74,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsIf (a_n=2^n+3n), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsWhich general term is correct for the sequence (4,9,16,25,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleExpert MathematicsIf (a_n=15-3n), which will be the first negative term?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf (a_n=5n^2+2), what is the value of (a_4+a_1)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsWhich is the correct rule for the sequence (9,20,33,48,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf \(a_n=7\cdot3^{n-1}\), what is the fourth term?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf aₙ = 8n − 3, at which term will aₙ = 77?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsIf (a_n=4n^2-2n+3) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsIf \(a_n=\frac{n(n+1)}{2}\), at which term will \(a_n=45\)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf (a_n=4n^2-1), what is the value of (a_5+a_1)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsWhich is the correct rule for the sequence (6,14,24,36,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf (a_n=kn+2) and (a_7=37), what is the value of (k)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsWhich is the correct rule for the sequence (2,7,14,23,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf aₙ = n² + 3n + 2, what are the first four terms?Class 9Sequences and ProgressionsExplicit or general ruleHard