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[" Given two vectors "A=-hat i+2bar(j)-3...

[" Given two vectors "A=-hat i+2bar(j)-3hat k" and "B=4hat i-2hat j+6hat k" .The angle made by "(A+B)" with axis "],[[" is "," (b) "45^(@)," [EAMCET "20071],[" (a) "30^(@)," (d) "90^(@)]]

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