For type 2 system, the magnitude and phase angle of the term (jœâ)2 in the denominator, at œâ = 0, are respectively

For type 2 system, the magnitude and phase angle of the term (jœâ)2

1.	For type 2 system, the magnitude and phase angle of the term (jœâ)2 in the denominator, at œâ = 0, are respectively
A.	0 and - 90¬∞
B.	0 and + 90¬∞
C.	infinity and - 180¬∞
D.	infinity and + 180¬∞
Answer» D. infinity and + 180¬∞