Non-conventional sources of energy, such as solar, wind, and bioenergy, are increasingly being used in India as sustainable alternatives to fossil fuels. Some of the key points include:
Study the given figure carefully and answer the questions that follow :
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?