1. Consider the space of absolutely convergent sequences equipped with the following norm 1/2 || (21, ..., In, ...) ||1,2= #;\ + ( 2 I;1² (0.1) j=1 j=1 a). Prove that || · ||1.2 is a norm.

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Q: 1. Consider the space of absolutely convergent sequences equipped with the following norm 1/2 )"…

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