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Unknown Coefficient

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

MathematicsIf aₙ = n² + qn + 4 and a₅ = 54, what is the value of q?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48MediumMathematicsIf aₙ = n² + dn + 2 and a₄ = 34, what is the value of d?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50MediumMathematicsIf (a_n=mn-4) and (a_6=50), what is the value of (m)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50HardMathematicsIf (a_n=kn+2) and (a_7=37), what is the value of (k)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 49HardMathematicsIf (a_n=n^2+kn) and (a_3=30), what will be the value of (a_6)?Class 9Sequences and ProgressionsSequencesLevel 42ExpertMathematicsIf (a_n=n^2+cn) and (a_4=32), what will be the value of (a_9)?Class 9Sequences and ProgressionsSequencesLevel 41ExpertMathematicsIf (y=45+kx) and (y=81) at (x=6), what is (k)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37MediumMathematicsIf (y=20+kx) and (y=35) at (x=3), what is (k)?Class 9Introduction to PolynomialsLinear growth and decayLevel 35MediumMathematicsIf (p(x)=rx-4) and (p(3)=14), what is the value of (p(-1))?Class 9Introduction to PolynomialsLinear polynomialsLevel 34Hard