You are the President of the Cultural Club of Marigold Public School, Vir Nagar. As part of the Annual Community Service Week, you are planning to put up a cultural performance in ‘Ahista’, a senior citizens home. Draft a notice for the school notice board inviting participation by the students. Invent necessary 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?