Can the arrays of the following shapes be broadcast together? If yes, what would be the shape of the result?

• (7, 1) and (7, 4): Yes (7, 4)
• (7,) and (4, 7): Yes (4, 7)
• (3, 3) and (2, 3): No, the first axes are incompatible
• (1, 1, 1, 8) and (9, 1): Yes (1, 1, 9, 8)
• (4, 1, 9) and (3, 1): Yes (4, 3, 9)