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If A={x in C : x^2=1}\ a n d\ B={x in ...

If `A={x in C : x^2=1}\ a n d\ B={x in C : x^4=1}` , then write `A-B\ a n d\ B-Adot`

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Given 1` A={x in c:x2=1}`
`={x in c:x=±1}`
`={1,−1}`
so` A={1,−1}`
...
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RD SHARMA-SETS-Solved Examples And Exercises
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