If the four points, whose position vectors are

\(3\overset{^}{i}−4\overset{^}{j}+2\overset{^}{k},\overset{^}{i}+2\overset{^}{j}−\overset{^}{k},−2\overset{^}{i}−\overset{^}{j}+3\overset{^}{k}\) and \(5\overset{^}{i}−2\alpha \overset{^}{j}+4\overset{^}{k}\) are coplanar, then \(\alpha\) is equal to

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If the four points, whose position vectors are

\(3\overset{^}{i}−4\overset{^}{j}+2\overset{^}{k},\overset{^}{i}+2\overset{^}{j}−\overset{^}{k},−2\overset{^}{i}−\overset{^}{j}+3\overset{^}{k}\) and \(5\overset{^}{i}−2\alpha \overset{^}{j}+4\overset{^}{k}\) are coplanar, then \(\alpha\) is equal to

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If the four points, whose position vectors are \(3\overset{^}{i}−4\overset{^}{j}+2\overset{^}{k},\overset{^}{i}+2\overse…

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