You are Monika Gupta/Piyush Gupta residing at 57/A, R Street, Morbagh. You read the following advertisement and wish to apply for the job of Content Writer. Write the job application along with your bio-data. 
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?