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Positive Reals

Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsOn (\mathbb{R}^{+}), (a*b=\frac{ab}{a+b}). Which property does this operation satisfy?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn positive real numbers, (a*b=\frac{a}{b}) is defined. Which property is not satisfied by this operation?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn positive real numbers, (a*b=ab) is defined. Choose the correct option about (a*b=b*a) and ((a*b)*c=a*(b*c)).Class 12Relations and FunctionsBinary operationsExpert MathematicsOn positive real numbers, (a*b=\sqrt{ab}) is defined. Choose the correct statement about associativity of this operation.Class 12Relations and FunctionsBinary operationsExpert MathematicsOn (A=\mathbb{R}^{+}), (a*b=\frac{a+b}{2}). What is true about the identity element?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn (A=\mathbb{R}^{+}), (a*b=ab). In which set does the inverse of (a) lie?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn positive real numbers, (a*b=\sqrt{ab}). Choose the correct conclusion about this operation.Class 12Relations and FunctionsBinary operationsExpert MathematicsOn positive real numbers, (a*b=ab). What is the inverse of (5)?Class 12Relations and FunctionsBinary operationsMedium MathematicsOn positive real numbers, (a*b=ab). What is the identity element of this operation?Class 12Relations and FunctionsBinary operationsMedium