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Explicit Or General Rule

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

MathematicsWhich explicit rule is correct for the sequence (5, 10, 15, 20, …)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Easy MathematicsWhat is the general term of the sequence (3, 6, 9, 12, …)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Easy 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 MathematicsIf a_n = 5n + (−1)^n, what will be the value of a_10 − a_9?Class 9Sequences and ProgressionsExplicit or general ruleLevel 42Medium MathematicsWhat will be the next term in the sequence (1, 2, 6, 24, 120, …)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 42Medium MathematicsIf a_n = (-1)^n(n + 1), what will be the value of a_7 + a_8?Class 9Sequences and ProgressionsExplicit or general ruleLevel 42Medium MathematicsFor the sequence 6, 14, 26, 42, ..., a_n = 2n² + 2n + 2. What is the value of a_15 - a_13?Class 9Sequences and ProgressionsExplicit or general ruleLevel 41Medium MathematicsFor the sequence 2, 5, 10, 17, 26, ..., the nth term is a_n = n² + 1. What is the value of a_12 − a_10?Class 9Sequences and ProgressionsExplicit or general ruleLevel 41Medium