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Q^+ denote the set of all positive ratio...

`Q^+` denote the set of all positive rational numbers. If the binary operation `.` on `Q^+` is defined as `a.b=(a b)/2,` then the inverse of 3 is (a) `4/3` (b) 2 (c) `1/3` (d) `2/3`

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RD SHARMA ENGLISH-BINARY OPERATIONS-All Questions
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  2. On the set R-{-1} a binary operation * is defined by a*b=a+b+a b for a...

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  3. Q^+ denote the set of all positive rational numbers. If the binary ope...

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  4. Let '*' be a binary operation on Q0 (set of all non-zero rational numb...

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  5. On the power set P of a non-empty set A, we define an operation * by ...

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  6. If the binary operation * on Z is defined by a*b=a^2-b^2+a b+4 , then ...

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  7. Is * defined by a*b=(a+b)/2 is binary operation on Z.

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  8. Let '*' be a binary operation on N given by a*b=LdotCdotMdot(a , b) fo...

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  9. On the set M=A(x)={[xxxx]: x in R}of2x2 matrices, find the identity ...

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  10. Let +6 (addition modulo 6) be a binary operation on S={0,\ 1,\ 2,\ ...

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  11. Let A=Q x Q and let * be a binary operation on A defined by (a , b)*(c...

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  12. Let A=NxN , and let * be a binary operation on A defined by (a , b)*(...

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  13. Discuss the commutativity and associativity of binary operation * d...

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  14. Let * be a binary operation on N, the set of natural numbers, defined ...

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  15. Let *, be a binary operation on N, the set of natural numbers defined ...

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  16. On Q, the set of all rational numbers, a binary operation * is defined...

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  17. Let * be a binary operation on set Q-[1] defined by a*b=a+b-a b for al...

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  18. Find dy/dx if 3x-4y=sinx

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  19. Let S={0,1,2,3,4} and * be an operation on S defined by a*b=r , where ...

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  20. Let S=(0,1,2,3,4,) and * be an operation on S defined by a*b=r , where...

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