1. -180
2. -120
3. -90
4. -60
-90
1.
2.
3.
4.
1. E[X2] - E2[X]
2. E[X2] + E2[X]
3. E[X2]
4. E2[X]
E[X2] - E2[X]
1. 1.0
2. 2.5
3. 4.0
4. 5.0
2.5
1. x
2. x2
3. 1/x
4. 1/x2
1/x
1. 0.5
2. 1
3. 2
4. not defined
0.5
1. 1/x2
2. ex
3. x2
4. e-x2
e-x2
1. (3 - x)e-2
2. 1 - x
3. [3 + 2√2 - (1 + √2)x]e-2
4. e-2
(3 - x)e-2
1. ZL = RS + jXS
2. ZL = RS
3. ZL = jXS
4. ZL = RS - jXS
ZL = RS - jXS
1. a low-pass filter
2. a high-pass filter
3. a band-pass filter
4. a band-reject filter
a band-pass filter