if (a+b)=12 and ab=14 than (a²+b²)
a) 172
b) 116
c) 162
d) 125
Answers
Answered by
0
Answer:
d
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Answered by
3
Answer:
116
a*2+b*2=(a+b)*2-2ab
=(12)*2-2(14)=144-28=116
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