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If \[x=y=z\] then find \[\frac{{{\left( x+y+z \rig..
1.
If \[x=y=z\] then find \[\frac{{{\left( x+y+z \right)}^{2}}}{{{x}^{2}}+{{y}^{2}}+{{z}^{2}}}\]
A.
9
B.
3
C.
4
D.
1
Answer» C. 4
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