🛠️ JEE➗ Maths

For what value of \(m\) are the vector \(2\overset{^}{i}−3\overset{^}{j}+4\overset{^}{k},\overset{^}{i}+2\overset{^}{j}−…

Q1

For what value of \(m\) are the vector \(2\overset{^}{i}−3\overset{^}{j}+4\overset{^}{k},\overset{^}{i}+2\overset{^}{j}−\overset{^}{k}\) and \(m\overset{^}{i}−\overset{^}{j}+2\overset{^}{k}\) are coplanar?

a

0

b

5/3

c

1

d

8/5

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