Video solution will be uploaded soon.
If the vector \vecb = 3\vecj + 4\veck is written as the sum of a vector \vecb_1 parallel to \veca = \veci + \vecj and a vector \vecb_2 perpendicular to \veca, then \vecb_1 * \vecb_2 is equal to: | Watch the step-by-step video solution for this NIMCET PYQ.