HSC - উচ্চতর গণিত ১ম পত্র→অধ্যায়-০৯ঃ অন্তরীকরণ→All Topics

$\text { The total waste per mile in an electric conductor is } W=i^{2} R+\frac{K^{2}}{R} \text {. Where } i \text { is the current and } R \text { is the }$$\text { resistance. If the current is kept constant, then find the maximum value of W. }$