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Even Integers

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

MathematicsOn (A={x\in\mathbb{Z}:x\text{ is even}}), (a*b=\frac{a+b}{2}). Is it a binary operation?Class 12Relations and FunctionsBinary operationsExpertMathematicsIf (a*b=a+b) is taken on the set of even integers, what is the correct statement about closure?Class 12Relations and FunctionsBinary operationsMediumMathematicsOn the set of even integers, (a\ast b=ab) is given. Is it a binary operation?Class 12Relations and FunctionsBinary operationsEasyMathematicsOn the set of even integers, (a\ast b=a+b) is given. Is it a binary operation?Class 12Relations and FunctionsBinary operationsEasyMathematicsIf (f:\mathbb{Z}\to 2\mathbb{Z}) is defined by (f(x)=2x), what type is (f)?Class 12Relations and FunctionsOnto functionMediumMathematicsOn integers, (aRb) if (a\equiv b \pmod{2}). What is the equivalence class of (0)?Class 12Relations and FunctionsEquivalence relationEasy

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