If the area(in sq.units) of triangle whose vertices are (2,1,3),(a,0,2 – InterviewSolution

1.	If the area(in sq.units) of triangle whose vertices are (2,1,3),(a,0,2) and (−3,−1,0) is √142. Then the integral value of a=
Answer» If the area(in $sq.units$ ) of triangle whose vertices are $(2, 1, 3), (a, 0, 2)$ and $(- 3, - 1, 0)$ is $\frac{\sqrt{14}}{2} .$ Then the integral value of $a =$

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