If a^{2}\: + \:b^{2}\: + \:c^{2}\: = \:1, then ab\: + \:bc\: + \:ac lies in the interval

Question

If a^{2}\: + \:b^{2}\: + \:c^{2}\: = \:1, then ab\: + \:bc\: + \:ac lies in the interval

Examsnet · Accepted Answer

Correct Answer is : [−‌12,‌1]

GATE Electronics and Communications (EC) 2015 Shift 2 Solved Paper