If →a=−^i+^j+^k and →b=2^i+^k, then z - component of a vector � – InterviewSolution

1.	If →a=−^i+^j+^k and →b=2^i+^k, then z - component of a vector →r which is coplanar with →a and →b,→r.→b=0 and →r.→a=7 is
Answer» If $\to a = -^i +^j +^k$ and $\to b = 2^i +^k$ , then $z$ - component of a vector $\to r$ which is coplanar with $\to a$ and $\to b, \to r . \to b = 0$ and $\to r . \to a = 7$ is

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