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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।

MathematicsWhat is the rationalised form of \(\frac{1}{\sqrt{11}-\sqrt{2}}\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the rationalised form of 1/(√10 + √9)?Class 9Number SystemsReal NumbersLevel 4Medium MathematicsWhat is the rationalised form of ( \frac{5}{3\sqrt{2}} )?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the rationalised form of \(\frac{6}{\sqrt{7}}\)?Class 9Number SystemsIrrational numbersLevel 2Medium MathematicsA student simplifies \\(\sqrt{50}\\) as \\(5\sqrt{2}\\) and calls it an irrational number. Which evaluation of the student's conclusion is correct?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the value of the expression \((5+\sqrt{17})(5-\sqrt{17})\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the simplified form of ( (6-\sqrt{8})^2 )?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the expansion of \((4+\sqrt{3})^2\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the value of ( \sqrt{5}(3+\sqrt{5}) )?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the simplified form of \(4\sqrt{27}-2\sqrt{75}\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the simplified form of \(2\sqrt{45}+3\sqrt{20}\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the simplest form of \(\sqrt{288}\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is obtained by simplifying \(\sqrt{245}\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the simplest surd form of \(\sqrt{180}\)?Class 9Number SystemsReal NumbersLevel 2Medium MathematicsWhat is the rationalised form of ( \frac{1}{\sqrt{3}+\sqrt{2}} )?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsIf \(x=-5\), what is the value of \(\sqrt{x^2}\)?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat is the value of ( \sqrt{a^2} ) in real numbers?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student calls the number 0.101001000100001... rational because its decimal expansion is infinite. What should the correct conclusion be?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsA student says that \(0.101001000100001\ldots\) is a rational number because it contains only the digits 0 and 1. Which statement correctly explains the student's error?Class 9Number SystemsReal NumbersLevel 1Medium MathematicsWhat will be the denominator after rationalising ( \frac{\sqrt{5}-1}{\sqrt{5}+1} )?Class 9Number SystemsReal NumbersLevel 1Medium