Find the value of a for which the vectors
3î+3j^+9k^ & î+aj^+3k^
Are parallel
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Find the value of a for which the vectors
3î+3j^+9k^ & î+aj^+3k^
Are parallel
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Answer:
a = 1
Explanation:
for parallel vector cross product of two vectors are zero because angle between them will be zero.
reffer the pic...