True or False: [6 Marks] FALSE ZERO LECTOR 12. The addition of two opposite vectors results in a zero vector. OPPOSITE DIRECTION AND SAME MAGHTUDE 13. The multiplication of a vector by a negative scalar will result in a zero vector. 14. Linear combinations of vectors can be formed by adding scalar multiples of two or more vectors. 15. If two vectors are orthogonal then their cross product equals zero. 16. The dot product of two vectors always results in a scalar