Mathematics, 04.02.2021 04:40, Tuffers
Let (R,+,·) be a ring and e, f ∈ R two idempotent elements such that e f = f e = 0. Show that the elements 1-e, 1-f and e+f are also idempotent. Determine the idempotent elements of the ring Z20
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 15:00, cal1805p8uo38
Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?
Answers: 2
Mathematics, 21.06.2019 19:00, GodlyGamer8239
Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not
Answers: 3
Mathematics, 21.06.2019 23:10, toricepeda82
In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)
Answers: 3
Do you know the correct answer?
Let (R,+,·) be a ring and e, f ∈ R two idempotent elements such that e f = f e = 0. Show that the el...
Questions in other subjects:
History, 01.09.2020 19:01
Mathematics, 01.09.2020 19:01
Mathematics, 01.09.2020 19:01
Mathematics, 01.09.2020 19:01
