Missing line

Report a typo

Have a look at the following code. Choose the right line instead of the missing one.

a1 = np.array([[3, 7], [9, 0]])
a2 = np.array([[8, 0], [12, 10]])
# the missing line
print(a3)
# [[ -5   7]
#  [ -3 -10]]
Select one option from the list
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