JEE Main 202120 Jul, Evening shiftMathematicsMediumVector Algebra184× since 2002In a triangle ABC, if ∣BC→∣=3\left| {\overrightarrow {BC} } \right| = 3BC=3, ∣CA→∣=5\left| {\overrightarrow {CA} } \right| = 5CA=5 and ∣BA→∣=7\left| {\overrightarrow {BA} } \right| = 7BA=7, then the projection of the vector BA→\overrightarrow {BA}BA on BC→\overrightarrow {BC}BC is equal to :AOption A. 192{{19} \over 2}219BOption B. 132{{13} \over 2}213COption C. 112{{11} \over 2}211DOption D. 152{{15} \over 2}215CheckSkip · show solution
