$(-1)\vec{u}=$

এই অধ্যায়ের আরও প্রশ্ন

• C-12-Q044
• C-12-Q045Three points A, B, C are collinear if and only if is
• C-12-Q046
• C-12-Q047
• C-12-Q048A vector whose length is 1 unit is called
• C-12-Q049If support lines of two vectors are same or parallel and their directions are alike, the vectors are called
• C-12-Q050For a non-zero vector , is
• C-12-Q051The position vector of point P with respect to origin O is
• C-12-Q052If and , then
• C-12-Q053The fixed reference point in a position-vector system is called the