Jee Main
Vector Algebra
JEE Main 2021 (Online) 31st August Morning Shift
MCQ+4 / -12021
Let \(\overrightarrow a\) and \(\overrightarrow b\) be two vectors
such that \(\left| {2\overrightarrow a + 3\overrightarrow b } \right| = \left| {3\overrightarrow a + \overrightarrow b } \right|\) and the angle between \(\overrightarrow a\) and \(\overrightarrow b\) is 60\(^\circ\). If \({1 \over 8}\overrightarrow a\) is a unit vector, then \(\left| {\overrightarrow b } \right|\) is equal to :
such that \(\left| {2\overrightarrow a + 3\overrightarrow b } \right| = \left| {3\overrightarrow a + \overrightarrow b } \right|\) and the angle between \(\overrightarrow a\) and \(\overrightarrow b\) is 60\(^\circ\). If \({1 \over 8}\overrightarrow a\) is a unit vector, then \(\left| {\overrightarrow b } \right|\) is equal to :