Let x∈Q,y∈Qc, which of the following statement is always WRONG ?
If X @ Y means X is the father of Y; X * Y means X is the mother of Y; X / Y means X is the brother Y; and X # Y means X is the sister of Y, then which of the following shows that P is the maternal uncle of Q?
If X @ Y means X is the father of Y; X * Y means X is the mother of Y; X / Y means X is the brother of Y; and X # Y means X is the sister of Y, then which of the following shows that P is the maternal uncle of Q?
Factorise the given expression: xy−pq+qy−px