Given an array of shape (4, 1, 3, 2) , which of the following array-shapes are broadcast-compatible? You can select multiple choices. (4, 1, 3, 2) (1,) (4, 2) (2,) (3, 2) (9, 1, 3, 2) (4, 9, 3, 2) (1,...

What are all the answers to this question? This is in Python. Explain your reasoning.

Previously, I put choices (b) and (d) but that is wrong and I don't know why.

Extracted text: Given an array of shape (4, 1, 3, 2) , which of the following array-shapes are broadcast-compatible? You can select multiple choices. (4, 1, 3, 2) (1,) (4, 2) (2,) (3, 2) (9, 1, 3, 2) (4, 9, 3, 2) (1, 1, 1)