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Conjugate Expressions

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

MathematicsIn a rectangular area model, the length is x+y and the breadth is x-y, where x>y. Which algebraic identity does this model represent?Class 9Exploring Algebraic IdentitiesVisual models of identitiesHard MathematicsIf a = √3 + √5 and b = √5 − √3, what is the value of ab?Class 9Number SystemsIrrational numbersMedium MathematicsWhat is the product of (10+\(\sqrt{29}\)) and (10-\(\sqrt{29}\))?Class 9Number SystemsIrrational numbersMedium MathematicsWhat is the sum of \((8+\sqrt{17})\) and \((8-\sqrt{17})\)?Class 9Number SystemsIrrational numbersMedium MathematicsWhat is the sum of \((7+\sqrt{13})\) and \((7-\sqrt{13})\)?Class 9Number SystemsIrrational numbersMedium MathematicsWhat is the value of (1/(3+√8)+1/(3−√8))?Class 9Number SystemsIrrational numbersHard MathematicsWhat is the value of \( \left(\frac{1}{5-\sqrt{21}}\right)+\left(\frac{1}{5+\sqrt{21}}\right) \)?Class 9Number SystemsReal NumbersHard MathematicsWhat is the value of ((4+√7)/(4−√7)+(4−√7)/(4+√7))?Class 9Number SystemsReal NumbersHard MathematicsWhat is the value of 1/(√3 − √2) − 1/(√3 + √2)?Class 9Number SystemsReal NumbersHard MathematicsWhat is the product of \(3+\sqrt{14}\) and \(3-\sqrt{14}\)?Class 9Number SystemsReal NumbersMedium MathematicsWhat is the value of the expression \((5+\sqrt{17})(5-\sqrt{17})\)?Class 9Number SystemsReal NumbersMedium