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Substitution

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

MathematicsWhich option contains the first three terms formed by (a_n=2n^2-n+4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhich option gives the first four terms of aₙ = 2n(n + 1)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsIf aₙ = n² + 5n + 6, what are the first four terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Medium MathematicsIf (a_n=4n^2-2n+3) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=5^n-n) then what is the value of (a_3)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf \(a_n=\frac{n(3n+2)}{4}\) then what is the value of \(a_4\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=4^n-2n) then what is the value of (a_3)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf \(a_n=\frac{3n+2}{4}\) then what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf \(a_n=\frac{n(n+1)}{2}+3\) then what is the value of \(a_7\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=(n+3)^2) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=n^2+cn) and (a_3=18), what is the value of (c)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf aₙ = 9n − 4, what is a₈ − a₃?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Medium MathematicsIf (a_n=4n^2-1), what is the value of (a_5+a_1)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf a_n=\frac{2n+3}{n+1}, what is a_4?Class 9Sequences and Progressionsnth termLevel 49Hard MathematicsIf (a_n=2n+1) and (b_n=n^2-1), what is (a_4+b_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsWhich option gives the first four terms of (a_n=n(n+2))?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf (a_n=4n^2-3n), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf \(a_n=\frac{n(2n+1)}{3}\) then what is the value of \(a_4\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=3^n-2n) then what is the value of (a_3)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsIf (a_n=4n^2+1) then what is the value of (a_3+a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium