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

MathematicsIf \(a_n=7\cdot2^{n-1}\), what is the value of \(a_4+a_5\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf the first term of a geometric progression is 54 and the common ratio is 1/3, what is the second term?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsIf (a_n=5n+3), what is the value of (a_2+a_4)?Class 9Sequences and ProgressionsArithmetic ProgressionLevel 50Medium MathematicsIf \(a_n=3\cdot2^n+2n^2\), what is the value of \(a_4\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Expert MathematicsIf (a_n=4n^2-3n+8), what are the first three terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Expert MathematicsIf (a_n=3n^2+n-2), what is the sum of the first three terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Expert MathematicsIf \(a_n=5\cdot2^{n-1}-3\), what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47Expert MathematicsIf (a_n=3n^2-2n+5), what are the first three terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsIf (a_n=2^n+n), what will be the first four terms?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49Hard MathematicsIf (D_1=5) and (D_n=3D_{n-1}-(n+1)), what is the value of (D_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 46Expert MathematicsIf (r_1=1), (r_2=2), and (r_n=r_{n-1}+3r_{n-2}), what is the value of (r_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIn a sequence, (t_1=2), (t_2=5), and (t_n=t_{n-1}+2t_{n-2}). What will be the value of (t_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf (a_1=6) and (a_{n+1}=a_n+a_1+n(n+1)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf (a_1=5) and (a_{n+1}=a_n+3a_1+n^2), what is (a_3)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf \(a_1=30\) and \(a_{n+1}=\frac{a_n}{3}+2n^2\), what is \(a_3\)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf (a_1=4) and (a_{n+1}=3a_n+n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf (a_1=6) and (a_{n+1}=a_n+a_1+n^2), what is (a_3)?Class 9Sequences and ProgressionsRecursive ruleLevel 47Hard MathematicsIf (a_1=2), (a_2=6), and (a_n=a_{n-1}+a_{n-2}+3n), what is (a_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 47Hard MathematicsIf (a_1=10) and (a_{n+1}=a_n+2a_1+n^2), what is (a_3)?Class 9Sequences and ProgressionsRecursive ruleLevel 47Hard MathematicsIf (a_1=4) and (a_{n+1}=2a_n+4n-1), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 47Hard