If |\ov a|=3,| \ov b| = 4 and the angle between \ov a and \ov b is 120° then |4 \ov a+3\ov b | is equal to _____

AP and TS EAMCET Engineering 2020 Model Paper 2

Question : 34 of 160

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If |a|=3,|b|=4 and the angle between a and b is 120° then |4a+3b| is equal to _____

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