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Algebraic Sequences

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

MathematicsIf (a_n=n^2+mn+4) and (a_2+a_4=46), what is the value of (m)?Class 9Sequences and Progressionsnth termExpert MathematicsIf (a_n=4n-1), which term is (79)?Class 9Sequences and Progressionsnth termExpert MathematicsIf \(a_n=\frac{n+3}{2}\), what is the value of \(a_7\)?Class 9Sequences and Progressionsnth termEasy MathematicsIf \(a_n=\frac{n(n+5)}{2}\), what is \(a_7\)?Class 9Sequences and Progressionsnth termMedium MathematicsIf \(a_n=\frac{3n}{2}\), what is the fourth term?Class 9Sequences and Progressionsnth termEasy MathematicsWhich of the following general terms represents the sequence of odd natural numbers?Class 9Sequences and Progressionsnth termEasy MathematicsIf \(a_n=\frac{5n-1}{2}\), what is \(a_7\)?Class 9Sequences and Progressionsnth termMedium MathematicsIf (a_n=n(n+2)), what is (a_5)?Class 9Sequences and Progressionsnth termMedium MathematicsIf (a_n=30-n), what is the tenth term?Class 9Sequences and Progressionsnth termEasy MathematicsWhich of the following sequences is an arithmetic progression for every real value of \(x\)?Class 9Sequences and ProgressionsArithmetic ProgressionHard MathematicsIf (a_n=2n^2+4n-3) then which statement is correct?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsIf (a_n=n^3-1) then which term is equal to (124)?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhich of the following is an explicit rule for a sequence because it expresses \(a_n\) directly in terms of \(n\)?Class 9Sequences and ProgressionsExplicit or general ruleMedium MathematicsWhich of the following sequences is an arithmetic progression, that is, the difference between each term and its immediately preceding term remains constant?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhich sequence shows the first four terms of (a_n=2^n+n)?Class 9Sequences and ProgressionsSequencesHard MathematicsWhich of the following sequences has the same difference between consecutive terms throughout?Class 9Sequences and ProgressionsSequencesHard