Question: Please help me with this question, thanks! Impossible moves on Rubik's 3 x 3 x 3 cube (a) Show that it is impossible to find

Please help me with this question, thanks!

Impossible moves on Rubik's 3 x 3 x 3 cube (a) Show that it is impossible to find a move sequence that flips exactly one edge cubie of the Rubik's cube, while leaving every other edge cubie in its home position (shown in diagram).(b) Show that it is impossible to find a move sequence that swaps exactly two edge cubies of the Rubik's cube, while leaving every other cubie in its home location

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