A binary operation is defined on the
set R of real numbers by:
a*b=a+b + ab where a, bER
...
Mathematics, 26.01.2021 05:30 adamm16
A binary operation is defined on the
set R of real numbers by:
a*b=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
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