Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Vector Algebra Types of Vectors
If \(\rm \vec a\) is a non-zero vector of modulus a and λ is a non-zero scalar and λ\(\rm \vec a\) is a unit vector then
1
λ = ± 1
2
a = |λ|
3
\(\rm a=\frac{1}{|\lambda|}\)
4
More than one of the above
5
None of the above