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Sequences And Progressions

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

MathematicsIf \(a_1=20\) and \(a_{n+1}=\frac{a_n}{2}+3n\), what is \(a_2\)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf a₁ = 100 and aₙ₊₁ = aₙ/2 + 3n, what is a₃?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf (a_1=3) and (a_{n+1}=2a_n+2n+1), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf (a_1=4) and (a_{n+1}=a_n+n(n+1)+2), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf a₁ = 6 and aₙ₊₁ = aₙ + (-1)ⁿ(2n), what is a₅?Class 9Sequences and ProgressionsRecursive ruleLevel 45Medium MathematicsIf a₁ = 3 and aₙ₊₁ = aₙ + 2ⁿ − n, what is a₅?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf a₁ = 5, a₂ = 8, and aₙ = 2aₙ₋₁ − aₙ₋₂, what is a₇?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf a₁ = 1, a₂ = 4, and aₙ = aₙ₋₁ + 2aₙ₋₂, what is a₆?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf a₁ = 120 and aₙ₊₁ = aₙ − (n² + n), what is a₅?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf (a_1=50) and (a_{n+1}=a_n-(2n+3)), what is (a_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf a₁ = 4 and aₙ₊₁ = 2aₙ + n, what is a₄?Class 9Sequences and ProgressionsRecursive ruleLevel 45Hard MathematicsIf a₁ = 1, a₂ = 3, and aₙ = 4aₙ₋₁ − 3aₙ₋₂, what is a₄?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf (a_1=1), (a_2=3), and (a_n=4a_{n-1}-3a_{n-2}), what is (a_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf \(a_1=18\) and \(a_{n+1}=a_n+\frac{a_n}{3}\), what is \(a_2\)?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf (a_1=2) and (a_{n+1}=a_n+n^2+2n+1), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf (a_1=4), (a_2=7), and (a_n=a_{n-1}+a_{n-2}+3), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf a₁ = 15 and aₙ₊₁ = aₙ + 8, which term is 71?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf a₁ = 6 and aₙ₊₁ = aₙ + 4, what is a₉?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf (a_1=3) and (a_{n+1}=a_n^2+a_n+1), what is (a_2)?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium MathematicsIf (a_1=3), (a_2=4), and (a_n=a_{n-1}+a_{n-2}+2n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 46Medium