Assignment # 3 : Solutions

This statement is false. A counter example is x=1.5, y=2.0. Then (x( = 2, (y( = 2, and (xy( = (3.0( = 3. And 2*2 ( 3. 28. Statement: For any odd integer n, . equals . Therefore, we want to prove: . From definition of odd we let n= 2k+1. Then the right hand side equals: And the left hand side equals: . Therefore, the right hand side equals the ... ................
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