Video solution will be uploaded soon.
Let a vector \veca has magnitude 9. Let a vector \vecb be such that for every (x,y)\in\mathbbR*\mathbbR-(0,0), the vector (x\veca+y\vecb) is perpendicular to the vector (6y\veca-18x\vecb). Then the value of |\veca*\vecb| is equal to: | Watch the step-by-step video solution for this NIMCET PYQ.