• 2022-06-06
    求由参数方程[tex=7.714x3.357]7EJHVCtO2IWq3KpdB+jQshKQOxbCXQe3UJWRVZc7cnvwN3bPEPzFh9Oxm0Dmp7jGR32cKVbAdEmQt9cWb44QRY/nZuN41wVijXP3c6vWiLg=[/tex][tex=4.143x1.286]csoNUXq0gq5VIDPXGdJggfGAJiN+m0Od95+z+plKX4Y=[/tex] 所确定函数的二阶导数[tex=1.786x2.5]+sfv9fbaljqgKDIK5JrU9Y5Em4Qd79k9c+OoGz0cVHA=[/tex].