Let [tex]\Sigma[/tex] = {[tex] \beta[/tex],x,y,z} where [tex] \beta [/tex] denotes a blank, so x[tex]\beta \neq[/tex] x, [tex]\beta \beta \neq \beta[/tex], and x[tex]\beta[/tex]y [tex]\neq[/tex] xy but x [tex] \lambda[/tex]y = xy.(adsbygoogle = window.adsbygoogle || []).push({});

Compute each of the following:

1: [tex] \parallel \lambda \parallel [/tex]

2: [tex] \parallel \lambda \lambda \parallel [/tex]

3: [tex] \parallel \beta \parallel [/tex]

4: [tex] \parallel \beta \beta \parallel [/tex]

5: [tex] \parallel \beta[/tex]^{3}[tex] \parallel [/tex]

6: [tex] \parallel[/tex] x [tex] \beta \beta [/tex] x [tex] \parallel [/tex]

7: [tex] \parallel \beta \lambda \parallel [/tex]

8: [tex] \parallel \lambda [/tex]^{10}[tex] \parallel [/tex]

Uhm.. can someone help me out ? I've tried like 3 days now (without progress).

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# Weird :S

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