Assertion: original substitution | /r/HasProperty | 2 + 1
Facets:
Source sentences:
text: There were no integral boundaries to transform, but in the last step reverting the original substitution u = x 2 + 1 {\displaystyle u=x^{2}+1} was necessary.
text: There were no integral boundaries to transform, but in the last step reverting the original substitution u = x 2 + 1 {\displaystyle u=x^{2}+1} was necessary.