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Algebraic Expressions

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

MathematicsWhy is (7x^2-4x^{-1}+3) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 25MediumMathematicsWhich expression is not a polynomial in (x) though it looks algebraic?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 25MediumMathematicsA student says that \(5x^{-1}+2\) is a polynomial because it contains only \(x\) and numbers. What is the error in the statement?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 25MediumMathematicsWhy is \(x^2+\frac{1}{x^2}\) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 25MediumMathematicsWhich of the following expressions is not a polynomial in the variable x?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 25MediumMathematicsWhich option gives the correct definition of a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28EasyMathematicsIs the expression (x^0+2x) a polynomial or not?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28EasyMathematicsRiya claims that \(5x^{-1}+3\) is a polynomial because it contains only the variable \(x\) and numbers. What is the error in Riya's claim?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28EasyMathematicsWhat is obtained after simplifying (9x^2-5xy+4y^2-2x^2+8xy-7y^2)?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsIf (x=3) and (y=2), which statement is correct about (x^2y-xy^2) and (xy(x-y))?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsAfter simplifying (6x^2y-4xy+9x^2y+7xy-12), which term will not remain?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsIf (x^2-2x=15), what is the value of (2x^2-4x+7)?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsWhat is the difference between the total degree and the power of (x) in (x^4y^3)?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsWhich option is equal to (3(2x+y)-5(x-2y)+2x)?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsWhich of the following expressions is a trinomial polynomial in x of degree 3?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsWhich term should be removed from (4x^2+7x-9) so that no constant term remains and two terms are left?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsWhat is obtained by subtracting (3a^2-9ab+2b^2) from (7a^2-4ab+6b^2)?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsIf (p+q=10) and (p-q=4), what is the value of (2p+q)?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsWhich expression has the simplified form (6x^2-13x)?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25ExpertMathematicsRiya says that \(5a^2b\) and \(-3ab^2\) are like terms because both contain \(a\) and \(b\). Which statement correctly identifies Riya’s error?Class 9Introduction to PolynomialsAlgebraic expressionsLevel 25Expert