031 Review Part 3, Problem 9

Assume  $A^{2}=I.$  Find  Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \text{Nul }A.}

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Solution:

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Step 2:

Final Answer:

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