1.

If x2 + 3y2 + 4z2 + 19 = \(4\sqrt 3 (x + y + z)\), then the value of (x - y + 4z) is:

A. \(\frac{{4\sqrt 3 }}{3}\)
B. \(\frac{{7\sqrt 3 }}{2}\)
C. \(\frac{{10\sqrt 3 }}{3}\)
D. \(4\sqrt 3 \)
Answer» D. \(4\sqrt 3 \)


Discussion

No Comment Found

Related MCQs