Scalar (Dot) Product Mock Tests

The vectors a = 2î + ĵ - k̂ and b = î - 3ĵ + 2k̂ are given. What is their scalar (dot) product a · b?

The dot product of vectors a = i + 2j + 3k and b = 4i + 5j + 6k is:

The dot product of vectors a = 2i + j - k and b = i - j + 2k is

The dot product of vectors a = 2i - j + 3k and b = i + 2j - k is

The scalar product of vectors a = î + 2ĵ − 3k̂ and b = 2î − ĵ + k̂ is