Q4Multiple correct2 Marks1 Sep 2024Which of the following options is(are) correct?AnPr=(nr)/r!^nP_r = \binom{n}{r} / r!nPr=(rn)/r!B(nr)=(nn−r)\binom{n}{r} = \binom{n}{n-r}(rn)=(n−rn)CPermutation does not consider the order of the objects, while combination does.DnPr/(nr)=r!^nP_r / \binom{n}{r} = r!nPr/(rn)=r!