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Class 12 · Mathematics
→For (a*b=a+b+ab) on real numbers, which statement is correct?
Class 12 · Mathematics
→Why is (a*b=a-b) not associative on real numbers?
Class 12 · Mathematics
→For (a*b=a+b) on real numbers, which statement about associativity is correct?
Class 12 · Mathematics
→If (a*b=a+b+ab), what is the value of (2*3)?
Class 12 · Mathematics
→If (a*b=a+2b), what is the value of (3*4)?
Class 12 · Mathematics
→On the set ([0,\infty)), (a*b=\min(a,b)). Does it have an identity element?
Class 12 · Mathematics
→On the set ([0,\infty)), (a*b=\max(a,b)). What is the identity element?
Class 12 · Mathematics
→On real numbers, (a*b=ab+1). Does it have an identity element?
Class 12 · Mathematics
→On real numbers, (a*b=a+b+ab). Which is the identity element of this operation?
Class 12 · Mathematics
→On real numbers, (a*b=a+b+1). What is the identity element of this operation?
Class 12 · Mathematics
→If (a*b=a-b) is defined on real numbers, which statement is correct?
Class 12 · Mathematics
→If (a*b=a+b) is defined on real numbers, what type of operation is it?
Class 12 · Mathematics
→Why is usual division (\div) not a binary operation on the set of integers (\mathbb{Z})?
Class 12 · Mathematics
→How is usual multiplication (\times) on the set of integers (\mathbb{Z})?
Class 12 · Mathematics
→Why is usual subtraction (-) not a binary operation on the set of natural numbers (\mathbb{N})?
Class 12 · Mathematics
→Why is usual addition (+) a binary operation on the set of natural numbers (\mathbb{N})?
Class 12 · Mathematics
→If (a,b\in A) implies (a*b\in A), which property does this show?
Class 12 · Mathematics
→What is the correct meaning of a binary operation on a set (A)?
Class 12 · Mathematics
→Let (f:\mathbb{R}\to\mathbb{R}), where (f(x)=x^3-6x^2+12x-5). Choose the correct statement about (f) being onto.
Class 12 · Mathematics
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