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Class 9

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

MathematicsWhich of the following expressions is a difference of squares of two binomials?Class 9Exploring Algebraic IdentitiesQuadratic expressionsMedium MathematicsWhat do we get by factorising (x^3+8)?Class 9Exploring Algebraic IdentitiesFactorisationExpert MathematicsWhat is the factorised form of (4p^2+12pq+9q^2)?Class 9Exploring Algebraic IdentitiesFactorisationExpert MathematicsGiven \(16x^2-40xy+25y^2\), express it as a perfect square of the form \((ax-by)^2\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsFind the constant term in the expansion of \((3x-2)(3x+6)\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsIf \((x-k)^2=x^2-30x+225\), find the value of \(k\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsSimplify \( (x+2y+z)^2-(x^2+4y^2+z^2) \).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesHard MathematicsFind the constant term in the full expansion of \((x+1)(x+2)(x+3)\).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsSimplify and write in expanded form: \( (x^2+1)^2-x^4 \).Class 9Exploring Algebraic IdentitiesAlgebraic identitiesExpert MathematicsWhich of the following expressions represents the form of the difference of two squares identity?Class 9Exploring Algebraic IdentitiesAlgebraic identitiesEasy MathematicsWhat is half of the sum of the first (144) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersExpert MathematicsThe sum of the first (n) natural numbers is (10878). What is the value of (n-25)?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsWhat is the sum of (58+59+60+\cdots+112)?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsWhat is the difference between the sums of the first (60) and first (40) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersHard MathematicsFind the sum of the first (75) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsWhat is the sum of (23+24+25+\cdots+34)?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIn a game, marks from (1) to (20) are scored in the first (20) stages, and (0) marks in the next (5) stages. What is the total score?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsThe sum of the first (57) natural numbers is equal to which value?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsIf (S_n=1176), what will be (S_{n-1})?Class 9Sequences and ProgressionsSum of first n natural numbersMedium MathematicsWhat is the value of S₁₂ + S₁₃ + S₁₄, where S_n is the sum of the first n natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersMedium