JEE Main 20198 Apr, Evening shiftPhysicsMediumKinematics177× since 2002Let ∣A1→∣=3\left| {\mathop {{A_1}}\limits^ \to } \right| = 3A1→=3, ∣A2→∣=5\left| {\mathop {{A_2}}\limits^ \to } \right| = 5A2→=5 and ∣A1→+A2→∣=5\left| {\mathop {{A_1}}\limits^ \to + \mathop {{A_2}}\limits^ \to } \right| = 5A1→+A2→=5. The value of (2A1→+3A2→)(3A1→−2A2→)\left( {2\mathop {{A_1}}\limits^ \to + 3\mathop {{A_2}}\limits^ \to } \right)\left( {3\mathop {{A_1}}\limits^ \to - \mathop {2{A_2}}\limits^ \to } \right)(2A1→+3A2→)(3A1→−2A2→) is :-AOption A. –118.5BOption B. –112.5COption C. –99.5DOption D. –106.5CheckSkip · show solution
