Differentiate $7x^2-6x{y}^{2}3y^3=23$ with respect to and $y$ are functions of $t.$

$A^A(14x-6y^2)\frac{dx}{dt}=(12xy-9y^2)\frac{dy}{dt}$

B$.(21x-6y^2)\frac{dx}{dt}=(18xy6y^2)\frac{dy}{dt}$

C$.(14x6y^2)\frac{dx}{dt}=(18xy-9y^2)\frac{dy}{dt}$

D$.(14x6y^2)\frac{dx}{dt}=(18xy-6y^2)\frac{dy}{dt}$

E$.(21x6y^2)\frac{dx}{dt}=(12xy-6y^2)\frac{dy}{dt}$