Practice problem
There are integers a,ba,ba,b such that 2⋅3=(1+−5)(a+b−5)2\cdot 3 = (1+\sqrt{-5})(a+b\sqrt{-5})2⋅3=(1+−5)(a+b−5). What is a+b?a+b?a+b?
000
111
222
333
Type a concept, like “slope” or “photosynthesis”.