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1. x+y=2

  • A. 2
  • B. 2
  • C. 2
  • D. 2

Answer: Option C

Explanation:

x²+y²=(x+y)²-2xy
Or, xy=(4-4)/2=0
So, 
x³+y³
=(x+y)³-3xy(x+y)
=2³-0
=8
(ans


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