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Let →a=−^i+^j and →b=^i+3^j. Then angle between the vectors 4→a+→b and 14(7→b−→a) is |
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Answer» Let →a=−^i+^j and →b=^i+3^j. Then angle between the vectors 4→a+→b and 14(7→b−→a) is |
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