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Let \veca=\hati+4\hatj+2\hatk, \vecb=3\hati-2\hatj+7\hatk and \vecc=2\hati-\hatj+4\hatk. If a vector \vecd satisfies \vecd*\vecb=\vecc*\vecb and \vecd*\veca=24, then |\vecd|^2 is equal to: | Watch the step-by-step video solution for this NIMCET PYQ.