if a is unit vector and k is scalar such that |ka|=1 then the value of k is
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Value of k = ± 1 if a is unit vector and k is scalar such that |ka|=1
Step-by-step explanation:
|ka|=1
=> | k | | a | = 1 ...Eq 1
a is unit vector
=> | a | = 1
Substituting in Eq 1
=> | k | (1 ) = 1
=> | k | = 1
=> k = ± 1
Value of k = ± 1
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