If a²+b²=116 and a+b=12 then the value of ab
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Answered by
2
Step-by-step explanation:
a+b =12
square on both sides
a²+b²+2ab = 144
116+2ab =144
2ab= 28
ab = 14
Answered by
0
Step-by-step explanation:
a+b= 12
(a+b)²=12²
a²+b²+2ab=144
116+2ab=144
2ab=28
ab=14
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