Is cdef<0?
1) c d^2 e^3 f^4 < 0
2) c^2 d^3 e^4 f^5 >0
(A)stmt (1) alone is sufficient but stmt (2) alone is not sufficient.
(B) stmt (2)alone is sufficient but stmt (1) alone is not sufficient.
(C)both stmts together are sufficient but neither stmt alone is sufficient.
(d) each stmt (1)...
