state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Mathematics Vector Algebra Scalar and Vector Product
Find the value of 'b' such that the scalar product of the vector î + ĵ + k̂ with the unit vector parallel to the sum of the vectors 2î + 4ĵ - 5k̂ and bî + 2ĵ + 3k̂ is unity
1
-2
2
0
3
-1
4
1
5
Question Not Attempted