Consider. ε is infinitesimal, so -3ε is infinitesimal, and b - 3ε is finite but not infinitesimal. Similarly, c + 2δ is finite but not infinitesimal. Therefore the quotient is finite but not infinitesimal.
Consider. ε is infinitesimal, so -3ε is infinitesimal,
and b - 3ε is finite but not infinitesimal. Similarly, c + 2δ is finite but not infinitesimal. Therefore the quotient
is finite but not infinitesimal.