You can put this solution on YOUR website!
The opposite of a would be -a.
The reciprocal of a would be 1/a.
The question says to find all values of a such that
Multiply both sides by a:
Add a^2 to each side:
Or, rewrite this as a^2=-1.
There are NO REAL VALUES of a for which a^2=-1. NO SOLUTION!!
Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus