1.
(a) F
(b) F
(c) T
(d) T
(e) F
(f) F
(g) T
2.
(a) v1=(10), v2=(01), u1=13–√⎛⎝⎜111⎞⎠⎟, u2=12–√⎛⎝⎜01−1⎞⎠⎟, u3=16–√⎛⎝⎜2−1−1⎞⎠⎟σ1=3–√, σ2=2–√
(c) v1=1π−−√sin x, v2=1π−−√cos x, v3=12π−−√u1=cos x+2sin x5π−−√, u2=2cos x−sin x5π−−√, u3=12π−−√, σ1=5–√, σ2=5–√, σ3=2
3.
(a) ⎛⎝⎜⎜⎜⎜⎜⎜⎜⎜13–√13–√−13–√12–√−12–√016–√16–√26–√⎞⎠⎟⎟⎟⎟⎟⎟⎟⎟⎛⎝⎜6–√00000⎞⎠⎟⎛⎝⎜⎜⎜12–√12–√12–√−12–√⎞⎠⎟⎟⎟∗
(c) ⎛⎝⎜⎜⎜⎜⎜⎜⎜⎜⎜⎜⎜⎜⎜210−−√110−−√110−−√210−−√0−12–√12–√012–√00−12–√110−−√−210−−√−210−−√110−−√⎞⎠⎟⎟⎟⎟⎟⎟⎟⎟⎟⎟⎟⎟⎟⎛⎝⎜⎜⎜5–√0000100⎞⎠⎟⎟⎟⎛⎝⎜⎜⎜12–√12–√12–√−12–√⎞⎠⎟⎟⎟∗
(e) ⎛⎝⎜⎜1+i21−i21+i2−1+i2⎞⎠⎟⎟(6–√000)⎛⎝⎜⎜⎜26–√1+i6–√1−i6–√−26–√⎞⎠⎟⎟⎟∗
4.
(a) WP=⎛⎝⎜⎜⎜12–√12–√12–√−12–√⎞⎠⎟⎟⎟⎛⎝⎜⎜⎜8–√+2–√2−8–√+2–√2−8–√+2–√28–√+2–√2⎞⎠⎟⎟⎟
5.
(a) T†(x, y, z)=(x+y+z3, y−z2)
(c) T†(a+bsin x+ccos x)=T−1(a+bsin x+ccos x)=a2+(2b+c)sin x+(−b+2c)cos x5
6.
(a) 16(1111−1−1)
(c) 15(11−233−211)
(e) 16(1−i11+ii)
7.
(a) Z1=N(T)⊥=R2andZ2=R(T)=span{(1, 1, 1), (0, 1, −1)}
(c) Z1=N(T)⊥=VandZ2=R(T)=V
8.
(a) No solution 12(11)
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