The equations conscience V and A are not symmetric with attention to h and r, i.e. the influence of h and r on the problem are inherently different. We need to write A in terms of purely 1 incertain. We usages the constraint equation and choose to write h in https://directory-expert.com/listings12739403/consid%C3%A9rations-%C3%A0-savoir-sur-analyse-de-backlinks