If A and B are two Hermitian operators, showthat AB and BA may

not be Hermitian, but that (AB + BA) andi(AB-BA) are both

hermitian. Prove that the expectation value ofA2 is

always real and non-negative. If A2=2,find the

eigenvalues of A.

Hey did u get the answer?

It is the areas with lines. this may sound a little confusing, but i hope it !

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.

Im not from america so could you explain what route 70 is? how much km or miles does it have? am i supposed to know ,from this text,what the s(road) is? how many km or miles it has?