Mark the correct alternative in each of the following:

is equal to

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If the vectors and are coplanar, then m =

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For non-zero vectors a⃗, b⃗ and c⃗ the relation holds good, if

Mark the correct alternative in each of the following:

Mark the correct alternative in each of the following:

If a⃗ ,b⃗,c⃗ are three non-coplanar vectors, then equal.