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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।

MathematicsIf aₙ = (−1)ⁿ(n + 2), what is the value of a₆ + a₇?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhat is the nth term of the sequence 13, 29, 61, 125, 253, …?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhich is the nth term of the sequence 4, 6, 10, 18, 34, …?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhat is the nth term of the sequence 7, 15, 31, 63, 127, …?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsWhat is the 8th term of the sequence 3, 9, 27, 81, …?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhich is the nth term of the sequence 5, 12, 21, 32, 45, …?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsWhat is the nth term of the sequence 1, 3, 7, 15, 31, …?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsIf aₙ = 11n + 2, what is the value of a₄ + a₆?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhat is the nth term of the sequence (2, 6, 12, 20, ...)?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsIf aₙ = 64 × (1/2)ⁿ⁻¹, what is the value of a₅?Class 9Sequences and ProgressionsExplicit or general ruleEasy MathematicsIf aₙ = 81 × (1/3)ⁿ⁻¹, what is the value of a₄?Class 9Sequences and ProgressionsExplicit or general ruleEasy MathematicsWhich arithmetic progression has nth term a_n = 7n + 3?Class 9Sequences and ProgressionsExplicit or general ruleEasy MathematicsIf a_n = 7n + 4, what is the value of a₆ + a₁₀?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhich arithmetic progression has nth term aₙ = 5n + 4?Class 9Sequences and ProgressionsExplicit or general ruleEasy MathematicsIf aₙ = 6n − 17, which is the first positive term?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhich arithmetic progression has nth term a_n = 6n + 1?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsIf the third term of the arithmetic progression (x, x + 6, x + 12, …) is 25, what is x?Class 9Sequences and ProgressionsExplicit or general ruleEasy MathematicsWhat is the general term of the arithmetic progression (7, 12, 17, 22, ...)?Class 9Sequences and ProgressionsExplicit or general ruleHard MathematicsIf aₙ = 9n + 4, at which term will aₙ = 85?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsIf a_n = 4n + 3, what will be the first four terms?Class 9Sequences and ProgressionsExplicit or general ruleMedium