[" Q.9The value of "x" for which the ang...

[" Q.9The value of "x" for which the angle between the vectors "],[vec a=xhat i-3hat j-hat k,vec b=2xhat i+xhat j-hat k" is acute and the angle "],[" between the vectors "b" and the axis of ordinate is obtuse,"],[" are- "],[[" (1) "1,2," (2) "-2,-3," (3) "x>0," (4) "-3,-2]]

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[" Q.9The value of "x" for which the angle between the vectors "],[vec a=xhat i-3hat j-hat k,vec b=2xhat i+xhat j-hat k" is acute and the angle "],[" between the vectors "b" and the axis of ordinate is obtuse,"],[" are- "],[[" (1) "1,2," (2) "-2,-3," (3) "x>0," (4) "-3,-2]]

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