Question

Let R={0,60,120,180,240,360} and * is binary operation such that for a & b in R a*b is overall angular rotation corresponding to successive rotations by a and by b. Show that (R, *) is a group

Answer 1

Answer:

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Answer 2

Answer:

Leg R={0,30,60,120,180,240,360} and * is binary operation such that for a&bin R a*b is overall angular rotation corresponding to successive rotations by a and by b. Show that (R,*) is a group