Practicing Success
Practicing Success
CUET Preparation Today
If (x - 2)2 + (y + 3)2 + (z - 15)2 = 0 Find \(\frac{1}{2}\)x + 2y + \(\frac{z}{3}\) |
-14 -10 ±3 0 |
0 |
x = 2, y = -3, z = 15
\(\frac{2}{2}\) + (-3 × 2) + \(\frac{15}{3}\) 1 - 6 + 5 = 0
[Note → If (x + k)2 + (y + l)2 + (z + m)2 = 0, then x = -k, y = -l, z = -m] |
