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thisha

Questions and answers by visitors named thisha

Questions (7)

1)prove that if x is rational and x not equal to 0, then 1/x is rational.2) prove that there is a positive integers that equals
1. 3 answers
2. 1,568 views
1. let A and B be sets. Show thatA U (B - A)=A U B 2. determine whether f is a function from Z to R if a) f(n)= +n b) 1/(n
1. 1 answer
2. 398 views
list five integers that are congruent to 4 modulo 124, 16, 36, ... any integer of the from n*12 + 4 where n=0, 1, 2, 3...
1. 3 answers
2. 4,349 views
which positive integers less than 12 are relatively prime to 13Since 13 has no factors, then all integers 2, 3, 4, 5, 6....11
1. 1 answer
2. 519 views
convert(BADFACED)16 FROM ITS HEXADECIMAL EXPANION TO ITS BINARY EXPANSIONi think you have to convert BAdFACED *16 then the
1. 3 answers
2. 1,061 views
HOW MANY POSITIVE INTEGERS LESS THAN 1000A.are divisible by exactly one of 7 and 11? B. are divisible by neither 7 nor 11? C.
1. 1 answer
2. 603 views
let d be a positive integer. Show that among any group of d+19not necessarily consecutive) integers there are two with exactly
1. 3 answers
2. 1,696 views