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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।

MathematicsWhich of the following expressions is not a quadratic polynomial in \(x\)?Class 9Exploring Algebraic IdentitiesQuadratic expressionsLevel 73Hard MathematicsReema claims that \(7-3x+\frac{2}{x}\) is a linear polynomial because the highest power of \(x\) in it is 1. Which is the correct correction to her claim?Class 9Introduction to PolynomialsLinear polynomialsLevel 33Expert MathematicsRiya says that \(q(x)=\frac{4}{x}+2\) is a linear polynomial because \(x\) appears with exponent 1. Which observation correctly proves that her statement is wrong?Class 9Introduction to PolynomialsLinear polynomialsLevel 35Hard MathematicsA student says that \(5x-2+\frac{3}{x}\) is a linear polynomial because the highest power of \(x\) is 1. What is the student's error?Class 9Introduction to PolynomialsLinear polynomialsLevel 33Hard MathematicsA student says that 7x³ - 5/x + 2 is a polynomial of degree 3. Which term causes an error in the student's conclusion?Class 9Introduction to PolynomialsDegree of a PolynomialLevel 31Hard MathematicsWhich expression is not a polynomial in (x) because (x) is hidden in the divisor?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28Medium MathematicsWhy is \(x^2+\frac{1}{x^3}+5\) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28Medium MathematicsReema says that \(5x^{-1}+2\) is a polynomial in \(x\) because it contains only \(x\) and numbers. Why is her statement incorrect?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28Medium MathematicsReena says that \(7/y+2\) is a polynomial in \(y\) because it has only two terms. Which option correctly corrects her statement?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28Medium MathematicsWhy is \(x^2+\frac{3}{x^4}\) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 31Easy MathematicsWhy is \(x^3+\frac{1}{x^2}\) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 31Easy MathematicsWhy is \(x^2+\frac{1}{x}\) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 31Easy MathematicsWhy is (5x^3+x^{-1}+4) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 31Easy MathematicsIs \(3x^2-\frac{5}{x}\) a polynomial or not?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 31Easy MathematicsWhich expression is not a polynomial because it contains \(\frac{1}{x^5}\)?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28Expert MathematicsWhich statement is correct for (x^0+x^{-2}+3)?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28Expert MathematicsWhich of the following expressions is not a polynomial in x?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 28Hard MathematicsRiya claims that \(5x^{-1}+2\) is a polynomial because it contains only \(x\) and numbers. What is the main error in her claim?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 27Hard MathematicsRiya says that \(7x^3-4x+1\) and \(x^{-2}+5\) are both polynomials because their coefficients are real. Which correction to Riya’s statement is correct?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 26Expert MathematicsWhy is \(x^4+\frac{1}{x^2}+x\) not a polynomial?Class 9Introduction to PolynomialsDefinition of a PolynomialLevel 26Expert