A) 2Λ = = + , 2Λ = = +0101220210122 2 2 I1 2 2 IGGGG000022L...

1. a)

2

λ = = + ,

2

λ = = +

012.2

2 2 i

1

2 2 i

g

L = μ N

A

N

b)

22

2 g

11

2 g

12

2g

1

1 N i N i

i A

'

c) (

11 2 2

)

2

W

m

= + + = μ +

L

i

112212

2

4

= ∂ μ

f

e

W

m i i

= − +

d)

2

(

11 2 2

)

2,

2

1

N i N i