Mathematics, 26.01.2021 05:30, adamm16

A binary operation is defined on the set R of real numbers by:
ab=a+b + ab where a, bER
(i) Calculate 5(-2)5.
(ii) Find the identity element e of R
under the operation
(iii) Determine the inverse under
general element aER and state
which element has no inverse

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 20.06.2019 18:04, chaanah

Write a polynomial for a third-degree polynomial with leading coefficient -4

Answers: 3

continue

Mathematics, 21.06.2019 20:10, irene27

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Answers: 1

continue

Mathematics, 21.06.2019 20:10, zay65307

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

Answers: 2

continue

Mathematics, 21.06.2019 21:00, zwalkert01

If a is a nonzero real number then the reciprocal of a is

Answers: 2

continue

Do you know the correct answer?

A binary operation is defined on the set R of real numbers by:
a*b=a+b + ab where a, bER
...