" (iif "a=4,quad d=-3

If [{:(2, -4), (9, d-3):}]=4 , then d=____.

If |{:(2, -4), (9, d-3):}| =4, then d = _____.

Find |vec(x)| , iif for a unit vector vec(a) , (vec(x)-vec(a)).(vec(x)+vec(a))=12 .

Two vectors are given by A=3hati+hatj+3hatk and B=3hati+5hatj-2hatk . Find the third vector C iif A=C-3B=0 .

If (3a + 4b)/(3c + 4d) = (3a-4b)/(3c-4d) , then

If A=[[3,-3, 4], [2,-3, 4], [0,-1, 1]] , then a. a d j(a d j A)=A b. |a d j(a d j A)|=1 c. a d j A=I d. none of these

If A=[[3,-3, 4], [2,-3, 4], [0,-1, 1]] , then a. a d j(a d j A)=A b. |a d j(a d j A)|=1 c. a d j A=I d. none of these

Which transition series show high enthalpy of atomisation 3d 4d 3p 4p