Video solution will be uploaded soon.
Let \vecα=4\hati+3\hatj+5\hatk and \vecβ=\hati+2\hatj-4\hatk. Let \vecβ_1 be parallel to \vecα and \vecβ_2 be perpendicular to \vecα. If \vecβ=\vecβ_1+\vecβ_2, then the value of 5\,\vecβ_2*(\hati+\hatj+\hatk) is: | Watch the step-by-step video solution for this NIMCET PYQ.