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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।

MathematicsIn the linear equation 3x + y = 20, if x = 5, then what is y?Class 9Linear Equations in Two VariablesSubstitution methodEasy MathematicsWhat is the sum of the values of (x^2-2x+1) at (x=0) and (x=2)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf (x=3), what is the value of ((x-4)^2+(x+4)^2)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsIf \(x = 2\), what is the value of \(x^2 + 5x - 6\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhat is the value of (x^2-5x+6) when (x=2)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsHard MathematicsWhat is the factorised form of (x^2-2xy+y^2-4x+4y)?Class 9Exploring Algebraic IdentitiesFactorisationExpert MathematicsChoose the factorised form of (4x^2+4xy+y^2-6x-3y).Class 9Exploring Algebraic IdentitiesFactorisationExpert MathematicsFactorise (x^2+5x+6-y^2-5y).Class 9Exploring Algebraic IdentitiesFactorisationExpert MathematicsConvert (x^4+5x^2+6) into factors.Class 9Exploring Algebraic IdentitiesFactorisationHard MathematicsWhat is the factorised form of 125x³ − y³?Class 9Exploring Algebraic IdentitiesFactorisationMedium MathematicsIn a model, the remaining area (x²−25) is shown by the rectangle (x+5)(x−5). If x=12, what is the area of the visual rectangle?Class 9Exploring Algebraic IdentitiesVisual models of identitiesEasy MathematicsLet a = x + y. If x + y = 5, what is the correct value of (x+y+z)² − (x+y−z)²?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesMedium MathematicsIf (a+b+c=10), what is the complete value of ( (a+b+c)^2 )?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsIf (n=50), what is the value of (S_{2n}-S_n)?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsIf aₙ = (3n − 2)/(2n + 1), what is the value of a₇?Class 9Sequences and Progressionsnth termEasy MathematicsIf \(a_n=\frac{2n^2+1}{n+1}\), what is the value of \(a_4\)?Class 9Sequences and Progressionsnth termExpert MathematicsIf (a_n=n^2+2n+5), what is the value of (a_9-a_1)?Class 9Sequences and Progressionsnth termExpert MathematicsIf (a_n=2n^2+kn+3) and (a_3=30), what will be the value of (a_5)?Class 9Sequences and Progressionsnth termExpert MathematicsIf \(a_n=5\cdot3^{n-1}-2\), what will be \(a_4\)?Class 9Sequences and Progressionsnth termExpert MathematicsIf \(a_n=\frac{n(n+5)}{3}\), what is the value of \(a_6\)?Class 9Sequences and Progressionsnth termExpert