1.

If x2 = y + z, y2 = z + x and z2 = x + y, x, y, z ≠ 0, then the value of \(\sqrt {\frac{1}{{1\; + \;x}}\; + \;\frac{1}{{1\; + \;y}}\; + \;\frac{1}{{1\; + \;z}}}\) is

A. 2
B. 0
C. -2
D. 1
Answer» E.


Discussion

No Comment Found