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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।

MathematicsWhat is the general term of the sequence (2,14,51,140,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf \(a_n=3\cdot2^{n}+n\) then what is the value of \(a_5\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf aₙ = 6n² − 5n + 2, what is a₄ : a₂?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsIf \(a_n=\frac{n(n+4)}{2}\) then what is the value of \(a_8\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhich of the following explicit rules defines an arithmetic sequence?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Hard MathematicsWhat is the general term of the sequence (3,6,11,20,\ldots)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Medium MathematicsIf (a_n=2^n+n), what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Medium MathematicsIf aₙ = n(n + 1)/2, which term will be equal to 28?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Medium MathematicsIf \(a_n=5\cdot2^{n-1}\), what is the value of \(a_5\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Medium MathematicsIf aₙ = n(n + 1)/2 + 1, what is the value of a₅?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Medium MathematicsIf (a_n=7n-8), which term will be equal to (41)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52Easy MathematicsWhich general rule generates a sequence in which each term is the square of its position number?Class 9Sequences and ProgressionsExplicit or general ruleLevel 51Easy MathematicsWhich of the following sequences is defined by a recursive rule?Class 9Sequences and ProgressionsRecursive ruleLevel 45Medium MathematicsWhich of the following rules is a recursive definition of a sequence?Class 9Sequences and ProgressionsRecursive ruleLevel 48Easy MathematicsIf a_n = n^2 + 6n + 5, which term is 252?Class 9Sequences and ProgressionsExplicit or general ruleLevel 43Hard MathematicsIf a_n = (-1)^(n+1)(2n+3), what will be the value of a_8 + a_9?Class 9Sequences and ProgressionsExplicit or general ruleLevel 43Medium MathematicsIf a_n = 4n^2 + 2n - 3, what will be the value of a_11?Class 9Sequences and ProgressionsExplicit or general ruleLevel 43Medium