Find if a= 4i + 3j + k and b= 3i - 12k are parallal
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no they are anti parallel
and
first of all you write right spelling of parallel
and
first of all you write right spelling of parallel
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given A=4i+3j+k ,B=3I-12K
Consider R to be a resultant vector,then
R=A+B
R=(4i+3j+k)+(3i-12k)
R=7i+3j-11k
therefore, the required unit vector is
R=R/|R| (i.e R =R vector divided by modulus of R vector which is the formula of unit vector)
R=7i+3j-11k / 7²+3²-11²
R=7i+3j-11k / √12
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