Let \(\left| {\overrightarrow {{{\rm{A}}_1}} } \right| = 3,\;\left| {\overrightarrow {{{\rm{A}}_2}} } \right| = 5{\rm{\;and\;}}\left| {\overrightarrow {{{\rm{A}}_1}} + \overrightarrow {{{\rm{A}}_2}} } \right| = 5\). The value of \(\left( {2\overrightarrow {{{\rm{A}}_1}} + 3\overrightarrow {{{\rm{A}}_2}} } \right) \cdot \left( {3\overrightarrow {{{\rm{A}}_1}} - 2\overrightarrow {{{\rm{A}}_2}} } \right)\) is:

1
-106.5
2
-99.5
3
-118.5
4
-112.5

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation