[Video Solution] Let \vec a and \vec b be two vectors. Let |\vec a|=1, |\vec b|=4 and \vec a*\... | ASPIRE STUDY

Let \vec a and \vec b be two vectors. Let |\vec a|=1, |\vec b|=4 and \vec a*\vec b=2. If \vec c=(2\,\vec a*\vec b)-3\vec b, then the value of \vec b*\vec c is: (A) -48 | Watch the step-by-step video solution for this NIMCET PYQ.