Question

If a>1 then there is no integer b such that a*b =b*a =b

Answer 1

0
$x \times 0 = 0 \times x = 0 \\ b = 0$

Answer 2

let the no. b=0
a=1

a×b
1×0=0
b×a=b
0×1=0
b=0 answer

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