Consider all positive integers with seven different digits. (Note that zero cannot be the first digit, and by different, we mean that there is no repeated digit

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A: Given R is an integral domain. We have to show that it contains exactly two elements a that satisfy…

Q: If a,b,c,d are in distinct real number in A.P. Such that 2(a-b)+c(b-c) +(c-a) =2(a-d)+(b-d) +(c-d)'…

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Q: Let ab be a two-digit number where a is the tens digit and b is the ones digit. Find the number of…

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Q: prove the following statement.

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A: Given that c divides a and b ,d belongs to( a ,b) so assume a,b are 4,8 and c is 2 and d is 6

Q: 2. Find all integer solutions for the following (express the set of solutions using set-builder…

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A: Here a,b,c,d all are non zero real .So (a/b) and (c/d) are defined.  Let,  a = 1 , b = 2 , c = 3 , d…

Q: 3. Which of the following operations is BOTH associative and commutative on C. a*b = 2- positive…

A: Solution