Given that →a and →b are two unit vectors such that the angle between →a and →b is cos−1(14). Let →c be a vector in the plane of →a and →b, such that |→c|=4 and →c×→b=2→a×→b. If →c=λ→a+μ→b, where λ and μ are constants, then which of the following is/are CORRECT?