Mathematics, 05.04.2021 16:00 BossKnight
A binary operation A is defined on the set R of real numbers by a Ab= a + b - 2ab, where a, b, eR. (a) Calculate (5 – 3 2 ) A (6 + 5 /2 ), giving your answer in the form m + where m and n are rational numbers. (b) Determine whether or not the operation A is commutative. (c) Find the identity element e of R under the operation. (d) Find the inverse of a general element a e R, and state which element of R has inverse
Answers: 2
Mathematics, 21.06.2019 17:00
The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?
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Mathematics, 21.06.2019 18:10
The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches
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A binary operation A is defined on the set R of real numbers by a Ab= a + b - 2ab, where a, b, eR. (...
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