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( overrightarrow A =2 hat i - hat j +2 hat k ) ও ( overrightarrow B =2 hat i +3 hat j + hat k ) দুটি ভেক্টর রাশি এবং ( overrightarrow F =x^ 2 y hat i +y^ 2 z hat j +z^ 2 x hat k ) | Suva Ai