if x=1+21/2and y=1-21/2,then x2+y2is
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Answer:
2 is the anwer. vvvvvvvvv.
Answered by
0
Answer:
the answer is 4
Step-by-step explanation:
- 1+21/2 =23/2
- 1-21/2 =-19/2
- 2x+2y= 2×23/2 + 2×-19/2=4
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