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If →a=2^i+^j+^k and →b=^i+5^j and →c=4^i+4^j−2^k, then the length (in units.) of the projection of (3→a−2→b) in the direction of →c is |
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Answer» If →a=2^i+^j+^k and →b=^i+5^j and →c=4^i+4^j−2^k, then the length (in units.) of the projection of (3→a−2→b) in the direction of →c is |
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