Find the area of the parallelogram.
-$P _ { 1 } ( 0,0,0 ) , P _ { 2 } ( 2 , - 4,1 ) , P _ { 3 } ( - 1,2 , - 1 )$
A) $\sqrt { 6 }$
B) $\sqrt { 41 }$
C) $\sqrt { 5 }$
D) $\sqrt { 21 }$

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The Answer of Find the area of the parallelogram.
-$P _ { 1 } ( 0,0,0 ) , P _ { 2 } ( 2 , - 4,1 ) , P _ { 3 } ( - 1,2 , - 1 )$
A) $\sqrt { 6 }$
B) $\sqrt { 41 }$
C) $\sqrt { 5 }$
D) $\sqrt { 21 }$

Find the Area of the Parallelogram P1(0,0,0),P2(2,−4,1),P3(−1,2,−1)P _ { 1 } ( 0,0,0 ) , P _ { 2 } ( 2 , - 4,1 ) , P _ { 3 } ( - 1,2 , - 1 )P1​(0,0,0),P2​(2,−4,1),P3​(−1,2,−1)

Find the Area of the Parallelogram $P _ { 1 } ( 0,0,0 ) , P _ { 2 } ( 2 , - 4,1 ) , P _ { 3 } ( - 1,2 , - 1 )$