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1
groups
Explain : In a group (Z,+) the order of any element except zero does not exist.
Explain : In a group (Z,+) the order of any element except zero does not exist.
1 answer
2
Mixing problems
We have a 40% acid solution and we want 75 liters of a 15% acid solution. How much water should we put into the 40% solution to do this?
We have a 40% acid solution and we want 75 liters of a 15% acid solution. Howmuch water should we put into the 40% solution to do this?
0 answers
3
#Selfdoubt_DBMS
Given R(ABCD) and F : {AB->CD, D->A}. The given relation is in highest normal form possible. Is it FD preserving ?
Given R(ABCD) and F : {AB->CD, D->A}. The given relation is in highest normal form possible. Is it FD preserving ?