Gate
Exam
Numerical Ability
Averages
If a2 + b2 + c2 = 1, then ab + bc + ac lies in the interval
(a)
1,2
3 (b)
−
1 ,1
2
(c)
− −
1, 1
2 (d) [2, – 4]
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If a2 + b2 + c2 = 1, then ab + bc + ac lies in the interval
if a2 + b2 + c2 = 1, then ab + bc + ac lies in the interval....