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Grade 9

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

MathematicsChoose the correct factorisation of \(27p^3-64q^3\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsWhat is the coefficient of \(x\) in \((2x+5)(2x-3)\)?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsFind the constant term in \((x+1)(x-3)(x+8)\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsChoose the correct factorisation of \(64x^3-27y^3\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsWhat is the coefficient of the term containing \(a^2b\) in \((3a-b)^3\)?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsSimplify \((6x+1)^2-(6x-1)^2\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsFactor \(x^2+6x+9-y^2\) completely.Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsUsing the identity \( (a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca) \), find the value of \( (x+y+z)^2 \) if \(x=1\), \(y=2\), \(z=3\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsWhich is the correct factorisation of \(8x^3+27\)?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsWhich is the factorisation of \(16a^2-40ab+25b^2\)?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsIn \((x-8)(x+2)\), what are the coefficient of \(x\) and the constant term?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsFind the simplified form of \((a+b+c)^2-(a^2+b^2+c^2)\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesMedium MathematicsIf \((a+b)^2=a^2+10ab+b^2\), what is the error in the middle term compared to the standard identity \((a+b)^2=a^2+2ab+b^2\)?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesMedium MathematicsWhich of the following is the correct expansion of \( (2p-5q)^2 \)?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesMedium MathematicsIf (S_n=5050), what is the value of (S_{n-10})?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsIn a practice session, marks from (1) to (15) are scored in the first (15) steps, and no marks are scored in the next (10) steps. What is the total score?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf (a_n=2^n+n), what is the value of (a_5)?Class 9Sequences and Progressionsnth termExpert MathematicsIf (4,x,100) are consecutive terms of a positive geometric progression, what is the value of (x)?Class 9Sequences and ProgressionsGeometric ProgressionExpert MathematicsWhich recursive rule is correct for the sequence 6, 9, 14, 21, …?Class 9Sequences and ProgressionsRecursive ruleHard MathematicsIf a₁ = 5 and aₙ₊₁ = aₙ + n², which term is 35?Class 9Sequences and ProgressionsRecursive ruleMedium