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Mathematics
Mathematics
Problem
Identify the correct expression for the distance between the origin and a point
P
(
x
,
y
,
z
)
P(x,y,z)
P
(
x
,
y
,
z
)
. a)
x
2
+
y
2
\sqrt{x^2+y^2}
x
2
+
y
2
b)
x
2
+
y
2
+
z
2
x^2+y^2+z^2
x
2
+
y
2
+
z
2
c)
(
x
+
y
+
z
)
2
\sqrt{(x+y+z)^2}
(
x
+
y
+
z
)
2
d)
x
2
+
y
2
+
z
2
\sqrt{x^2+y^2+z^2}
x
2
+
y
2
+
z
2
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