If barb=4bari+3barj and barc be two perp...

If `barb=4bari+3barj and barc` be two perpendicular vectors in xy-plane. The vector in the same plane having components 1, 2 along `barb and barc` respectively, is

`2bari-barj`

`bari-2barj`

`bari+2barj`

`2bari+barj`

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AAKASH SERIES-DOT PRODUCT OF TWO VECTORS-EXERCISE - II

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