Which Expression has the following restrictions ,* * 4,* * amp; BECAUSE the End TE Sult would be undefined?

Can someone check my answers? Please explain why they are incorrect If some or all are. I would highly appreciate it, Thank You!

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Which Expression has the following restrictions ,* * 4,* * & BECAUSE the EndTE Sult would be undefined?"0 1X - AllX - 2\{ + EX + B* - 2*^ + 6x' + 8* - 2'