A linear operator o acts on two orthonormal states of a system , and, as per tollowing op, = v3,ov, = +v). the system is in a superposed state defined by t 2 th

A linear operator o acts on two orthonormal states of a system , and, as per tollowing OP, = V3,OV, = +V). The system is in a superposed state defined by t 2 The expectation value of O in the state is (A) --1) 25-i(V2+ 1)) (B) (C) i-1)) 2/2 (D) 22