Question : If a2 + b2 + c2 = 1, then ab + bc + ca lies in the interval
A. [1/2, 2]
B. [–1, 2]
C. [–1/2, 1]
D. [–1, 1/2]
Answer – Click “Get me the Answer & Solution”
Solution: We know that (a + b + c)2 ≥ 0, for real numbers a, b and c
Question : If a2 + b2 + c2 = 1, then ab + bc + ca lies in the interval
A. [1/2, 2]
B. [–1, 2]
C. [–1/2, 1]
D. [–1, 1/2]
Answer – Click “Get me the Answer & Solution”
Solution: We know that (a + b + c)2 ≥ 0, for real numbers a, b and c
