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Prime Factors

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

MathematicsOn natural numbers, (aRb) if (a) and (b) have the same number of prime factors, counted with repetition. What type of relation is this?Class 12Relations and FunctionsEquivalence relationLevel 18HardMathematicsIf A = {x : x ∈ ℕ and x is a prime factor of 25}, what is A?Class 12SetsLevel 6EasyMathematicsOn natural numbers, (aRb) if and only if (a) and (b) have the same set of prime factors. Which of the following belongs to the equivalence class of (12)?Class 12Relations and FunctionsEquivalence relationLevel 16ExpertMathematicsOn (A={1,2,3,4,5,6,7,8,9}), (aRb) holds when (a) and (b) have the same number of prime factors counted with repetition. Which is the equivalence class of (6)?Class 12Relations and FunctionsEquivalence relationLevel 16Hard