Question: 7. Let A= {a, b, #} and X= {, }}. Find the power set of A and X. 8. Suppose m e Z. Prove by

7. Let A= {a, b, #} and X= {, }}. Find

7. Let A= {a, b, #} and X= {, }}. Find the power set of A and X. 8. Suppose m e Z. Prove by contrapositive that if m2 4m 41 is even, then m is odd

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