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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।

MathematicsIf a_n = n³ + n², what will be the value of a_6 − a_4?Class 9Sequences and Progressionsnth termLevel 42HardMathematicsIf (a_n=2n^3+1), what will be the value of (a_5+a_6)?Class 9Sequences and ProgressionsSequencesLevel 41ExpertMathematicsIf (a_n=2^n+n), what will be the value of (a_6)?Class 9Sequences and ProgressionsSequencesLevel 41ExpertMathematicsFor the sequence 2, 5, 10, 17, 26, ..., the nth term is a_n = n² + 1. What is the value of a_12 − a_10?Class 9Sequences and ProgressionsExplicit or general ruleLevel 41MediumMathematicsWhat is the (8)th term formed by (a_n=140-9n)?Class 9Sequences and ProgressionsSequencesLevel 43HardMathematicsWhat will (a_6) be for the rule (a_n=3n^2+4n)?Class 9Sequences and ProgressionsSequencesLevel 43HardMathematicsWhat are the first four terms formed by (a_n=8n-5)?Class 9Sequences and ProgressionsSequencesLevel 43HardMathematicsIf (a_n=n^3-2n), what is (a_5)?Class 9Sequences and ProgressionsSequencesLevel 43HardMathematicsIf (a_n=4n^2-3n), what will be the value of (a_7)?Class 9Sequences and ProgressionsSequencesLevel 43HardMathematicsIf (a_n=4n^2-3n+2), what is the value of (a_5-a_2)?Class 9Sequences and ProgressionsSequencesLevel 42HardMathematicsWhat will (a_5) be for the rule (a_n=2n^2+5n)?Class 9Sequences and ProgressionsSequencesLevel 42HardMathematicsWhat are the first four terms formed by (a_n=7n-4)?Class 9Sequences and ProgressionsSequencesLevel 42HardMathematicsIf (a_n=n^3+n), what is (a_4)?Class 9Sequences and ProgressionsSequencesLevel 42HardMathematicsIf (a_n=3n^2-2n), what will be the value of (a_6)?Class 9Sequences and ProgressionsSequencesLevel 42HardMathematicsWhich sequence shows the first three terms of (a_n=4^n-2)?Class 9Sequences and ProgressionsSequencesLevel 43MediumMathematicsWhat is the fifth term formed by (a_n=90-7n)?Class 9Sequences and ProgressionsSequencesLevel 43MediumMathematicsWhat will (a_6) be for the rule (a_n=n^2+4n)?Class 9Sequences and ProgressionsSequencesLevel 43MediumMathematicsIf (a_n=2n^2+3), what is (a_6)?Class 9Sequences and ProgressionsSequencesLevel 43MediumMathematicsIf (a_n=5n-2), what will be the value of (a_9)?Class 9Sequences and ProgressionsSequencesLevel 43MediumMathematicsWhat is the fourth term formed by (a_n=70-5n)?Class 9Sequences and ProgressionsSequencesLevel 42Medium