a²-b²=(a+b).(a-b)=32 a-b=8 ise a+b=4 olur.aynı zamanda a²-b²=(a-b)²+2ab dir 32=8²+2ab ise 2ab= -32 ab= -16 olur. a²+b²=(a+b)²-2ab dir 4²-2.(-16)=16+32=48 olur.
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