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jee_main_2025_24_jan_evening - Vector Algebra Topics

Master these core formulas and structures to solve almost any past paper question.

Sample Questions in this Chapter

QUESTION #56 Centroid, Orthocenter, and Circumcenter
Let the position vectors of three vertices of a \triangle be 4vecp+vecq-3vecr, -5vecp+vecq+2vecr and 2vecp-vecq+2vecr If the position vectors of the orthocenter and the circumcenter of the \triangle are fracvecp+vecq+vecr4 and alphavecp+betavecq+gammavecr respectively, then alpha+2beta+5gamma is equal to: [cite: 3266, 3267, 3268, 3269, 3270, 3271, 3272]
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QUESTION #64 Vector Triple Product and Projection
Let veca=3hati-hatj+2hatk, vecb=vecatimes(hati-2hatk) and vecc=vecbtimeshatk. Then the projection of vecc-2hatj on veca is: [cite: 3358, 3359, 3364]
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