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Obtain the scalar product of two mutuall...

Obtain the scalar product of two mutually perpendicular vectors .

Text Solution

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If `vec(A) bot vec(B)` then `theta = 90^(@)`
` :. vec(A) .vec(B) = AB cos 90^(@)`
=` 0 " " [ :. cos 90^(@) = 0]`
This is the condition for mutually perpendicular of two non - zero vectors .
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