haʊˈɛvɚ, ɪf wiː dˌɪfɚɹˈɛnʃɪˌeɪt wˈʌns mˈoːɹ, wiː kæn jˈuːz ðə dˌɪfɚɹˈɛnʃəl ᵻkwˈeɪʒən tə ɡˈɪv , wˌɪtʃ dˈʌz ɛksplˈɪsɪtli ɪnvˈɑːlv .
However, if we differentiate once more, we can use the differential equation to give , which does explicitly involve .