You are the Secretary of the Civil Medical Doctors Association, Sheesh Nagar. On the occasion of World Health Day, you are arranging a workshop on Drug Free Pain Management and Reversal. Draft a formal letter of invitation to be sent to all the members to attend the workshop. Request them to be punctual. Invent relevant details.
If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?