if (a+b)= 12 and ab= 14, then (a²+b²) ?
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0
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sorry I didn't understand this question otherwise I'll answer it...... I hope so that anyone other can answer this question........!!!!
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6
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squaring :
(a+b)²= a²+b²+2ab
12²=a²+b²+2×14
144=a²+b²+28
144-28 = a²+b²
116= a²+b²
a²+b²=116
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