3. For the point group C4v, use direct product math to find the irrep that results from the following products. Show your work dont just use multiplication tables! (4 marks):

(i) A2 B1

(ii) B2 B1

(iii) B2 A2

(iv) B2 B2

3. For the point group C4v, use direct product math to find the irrep that results from the following products. Show your work - don't just use multiplication tables! (4 marks): (i) A2B1 (ii) B2B1 (iii) B2A2 (iv) B2B2