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Class 9 Mathematics

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

MathematicsThe area of a square courtyard is \(49a^2-84ab+36b^2\) square units. If \(7a>6b\), what will be the length of its side?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsChoose the correct factorisation of (x^2-2xy+y^2-25).Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsWhich of the following trinomials can be factorised as a perfect square of a binomial?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsA student factorises \(49a^2-70ab+25b^2\) as \((7a-5b)(7a+5b)\). Which statement about the student’s solution is correct?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsWhich of the following quadratic trinomials can be factorised as the product of two identical binomials?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsWhich of the following expressions is a perfect square and can be factorised as the product of two identical binomials?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsWhich of the following expressions is a perfect-square trinomial and can be factorised using the identity \((a-b)^2\)?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsWhich of the following expressions can be classified as a difference of squares?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsWhich structure must an expression have to be factorised using the identity for the difference of squares?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsWhat is the factorisation of (ax+ay+bx+by) by grouping?Class 9Exploring Algebraic IdentitiesFactorisationLevel 69Hard MathematicsFactorise (xy+2x+3y+6).Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsA student claims that the factorisation of \(49a^2-64b^2\) is \((7a-8b)^2\). What is the error in the student's claim?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsWhich of the following expressions is a perfect-square trinomial and can therefore be written as the product of two identical binomial factors?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsWhich of the following trinomials is a perfect square?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsA student claims that \(49x^2-25y^2\) factorises as \((7x-5y)^2\). What is the error in the claim?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsIf an expression is a difference of two squares, \,\(a^2-b^2\), in which form is it factorised?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsFactorise (6x^2+11x+3).Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsWhich of the following trinomials can be factorised as a perfect square?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsWhich of the following expressions is a perfect-square trinomial and can be factorised using the identity \(a^2+2ab+b^2=(a+b)^2\)?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium MathematicsWhich of the following expressions can be factorised using the algebraic identity for the difference of two squares?Class 9Exploring Algebraic IdentitiesFactorisationLevel 71Medium